PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM Authority: 5 U.S.C. 552(a); 26 U.S.C. 5242, 7805. Source: T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted. Editorial Notes: Nomenclature changes to part 21 appear by T.D. ATF-435, 66 FR 5475, Jan. 19, 2001. Nomenclature changes to part 21 appear by 81 T.D. TTB-140, 81 FR Aug. 30, 2016. Subpart A—General Provisions § 21.1 Scope of regulations. The regulations in this part relate to the formulation of completely denatured alcohol, specially denatured alcohol, and specially denatured rum; to the specifications for denaturants; and to the uses of denatured spirits. § 21.2 Forms prescribed. (a) General. (b) Forms prescribed by this part are available for printing through the TTB Web site ( https://www.ttb.gov [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-249, 52 FR 5961, Feb. 27, 1987; T.D. 372, 61 FR 20724, May 8, 1996; T.D. ATF-435, 66 FR 5475, Jan. 19, 2001; T.D. TTB-44, 71 FR 16934, Apr. 4, 2006; T.D. TTB-196, 89 FR 87940, Nov. 6, 2024] § 21.3 Stocks of discontinued formulas. Denaturers, or specially denatured spirits dealers or users, having on hand stocks of denaturants or formulas of specially denatured spirits no longer authorized by this part may— (a) Continue to supply or use those stocks in accordance with existing permits until the stocks are exhausted; (b) Use up those stocks in any manufacturing process approved by the appropriate TTB officer, pursuant to an application filed with such officer on TTB Form 5150.19, Formula for Articles made with Specially Denatured Alcohol and Rum; (c) On approval of an application, filed with the appropriate TTB officer and approved by such officer, destroy those stocks under whatever supervision the appropriate TTB officer requires; or (d) Otherwise dispose of those stocks in a manner satisfactory to the appropriate TTB officer, pursuant to approval of an application. [T.D. ATF-133, 487 FR 24673, June 2, 1983, as amended by T.D. ATF-435, 66 FR 5475, Jan. 19, 2001; T.D. TTB-196, 89 FR 87940, Nov. 6, 2024] § 21.4 Related regulations. The procedural and substantive requirements relative to the production of denatured alcohol and specially denatured rum are prescribed in part 19 of this chapter, and those relative to the distribution and use of denatured alcohol and specially denatured rum are prescribed in part 20 of this chapter. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-199, 50 FR 9183 Mar. 6, 1985] § 21.5 Denatured spirits for export. Spirits may be denatured in accordance with formulas prescribed by the government of a foreign country to which the denatured spirits will be exported. However, the denaturer must first apply for and obtain written permission from the appropriate TTB officer. The application shall be submitted to the appropriate TTB officer and shall contain the following information: (a) A complete list of ingredients for the spirits to be denatured. (b) The exact amount of each ingredient to be used in denaturing the spirits. (c) A copy (accompanied by an English translation as necessary) of the law or regulations of the foreign country to which the denatured spirits will be exported, specifying the denatured spirits formulation prescribed by that country. § 21.6 Incorporations by reference. (a) “The United States Pharmacopoeia (Twentieth Revision, Official from July, 1980) and the National Formulary (Fifteenth Edition, Official from July 1, 1980)” published together as “The USP and NF Compendia,” are incorporated by reference in this part. This incorporation by reference was approved by the Director of the Federal Register. The publication is available from the United States Pharmacopoeia Convention, Inc., 12601 Twinbrook Parkway, Rockville, Maryland 20852, or may be inspected at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: https://www.archives.gov/federal-register/cfr/ibr-locations.html. (b) Material from Parts 23, 25, and 29 of the 1980 Annual Book of ASTM Standards is incorporated by reference in this part. This incorporation by reference was approved by the Director of the Federal Register. These publications are available from the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pennsylvania 19103, or may be inspected at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: https://www.archives.gov/federal-register/cfr/ibr-locations.html. (c) Material from the “Official Methods of Analysis of the Association of Official Analytical Chemists (13th Edition 1980)” (AOAC) is incorporated by reference in this part. This incorporation by reference was approved by the Director of the Federal Register. This publication is available from the Association of Official Analytical Chemists, 11 North 19th Street, Suite 210, Arlington, Virginia 22209, or may be inspected at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: https://www.archives.gov/federal-register/cfr/ibr-locations.html. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended at 69 FR 18803, Apr. 9, 2004; T.D. TTB-196, 89 FR 87940, Nov. 6, 2024] (Pub. L. 89-554, 80 Stat. 383 as amended (5 U.S.C. 552(a))) § 21.7 Delegations of the Administrator. The regulatory authorities of the Administrator contained in this part are delegated to appropriate TTB officers. These TTB officers are specified in the current version of TTB Order 1135.21, Delegation of the Administrator's Authorities in 27 CFR Part 21, Formulas for Denatured Alcohol and Rum. You may obtain a copy of this order by accessing the TTB Web site ( https://www.ttb.gov [T.D. TTB-44, 71 FR 16936, Apr. 4, 2006; T.D. TTB-140, 81 FR 59460, Aug. 30, 2016; T.D. TTB-196, 89 FR 87940, Nov. 6, 2024] Subpart B—Definitions § 21.11 Meaning of terms. When used in this part and in forms prescribed under this part, unless the context otherwise requires, terms have the meanings given in this section. Words in the plural form include the singular, and vice versa, and words indicating the masculine gender include the feminine. The terms “includes” and “including” do not exclude things not mentioned which are in the same general class. Administrator. Alcohol. Appropriate TTB officer. CFR. C.D.A. Completely denatured alcohol. Denaturant. Denatured spirits. Essential oil. Gallon. Manufacturer or user. N.F. Proof. Rum. S.D.A. Specially denatured alcohol. Specially denatured rum. Spirits or distilled spirits. U.S.C. U.S.P. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-199, 50 FR 9183, Mar. 6, 1985; T.D. ATF-435, 66 FR 5475, Jan. 19, 2001; T.D. TTB-44, 71 FR 16936, Apr. 4, 2006; T.D.TTB-140 81 FR 59460, Aug. 30, 2016] Subpart C—Completely Denatured Alcohol Formulas § 21.21 General. (a) Alcohol shall be completely denatured only in accordance with formulas prescribed in this subpart (or in accordance with § 21.5). (b) Denaturers may be authorized to add a small quantity of an odorant, rust inhibitor, or dye to completely denatured alcohol. Any such addition shall be made only on approval by the appropriate TTB officer. Request for such approval shall be submitted to the appropriate TTB officer. (c) Odorants or perfume materials may be added to denaturants authorized for completely denatured alcohol in amounts not greater than 1 part to 250, by weight. However, such addition shall not decrease the denaturing value nor change the chemical or physical constants beyond the limits of the specifications for these denaturants as prescribed in subpart E, except as to odor. Proprietors of distilled spirits plants using denaturants to which such odorants or perfume materials have been added shall inform the appropriate TTB officer, in writing, of the names and properties of the odorants or perfume materials so used. (d) TTB will apply an analytical tolerance of ±5 percent and use standard rounding rules in determining whether completely denatured alcohol complies with the formula prescribed in this subpart (or in accordance with § 21.5). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59460, Aug. 30, 2016] § 21.22 Formula No. 18. To every 100 gallons of ethyl alcohol of not less than 160 proof add: 2.50 gallons of either methyl isobutyl ketone, mixed isomers of nitropropane, or methyl n- 0.125 gallon of pyronate or a similar compound; 0.50 gallon acetaldol (beta-hydroxybutyraldehyde); and 1.00 gallon of either kerosene, deodorized kerosene, gasoline, unleaded gasoline, rubber hydrocarbon solvent, or heptane. § 21.23 Formula No. 19. To every 100 gallons of ethyl alcohol of not less than 160 proof add: 4.0 gallons of either methyl isobutyl ketone, mixed isomers of nitropropane, or methyl n- 1.0 gallon of either kerosene, deodorized kerosene, gasoline, unleaded gasoline, rubber hydrocarbon solvent, or heptane. § 21.24 Formula No. 20. (a) Formula. A total of 2.0 gallons of either unleaded gasoline, rubber hydrocarbon solvent, kerosene, deodorized kerosene, alkylate, ethyl tertiary butyl ether, high octane denaturant blend, methyl tertiary butyl ether, naphtha, natural gasoline, raffinate, or any combination of these; or A total of 5.0 gallons of toluene. (b) Authorized use. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59460, Aug. 30, 2016] § 21.25 Formula No. 35. Formula. 29.75 gallons of ethyl acetate having an ester content of 100 percent by weight or the equivalent thereof not to exceed 35 gallons of ethyl acetate with an ester content of not less than 85 percent by weight. [T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.26 Formula No. 12-A. Formula. Five gallons of toluene or 5 gallons of heptane. [T.D. TTB-140, 81 FR 59461, Aug. 31, 2016] Subpart D—Specially Denatured Spirits Formulas and Authorized Uses § 21.31 General. (a) Formulas for specially denatured spirits. (b) Proof of spirits for denaturation. (c) Use of Denatured Spirits. (d) Analytical tolerance. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-199, 50 FR 9183, Mar. 6, 1985; T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.32 Formula No. 1. (a) Formula. Four gallons of methyl alcohol and either 1/8 n- (b) Authorized uses. 011. Cellulose coatings. 012. Synthetic resin coatings. 013. Shellac coatings. 014. Other natural resin coatings. 016. Other coatings. 021. Cellulose plastics. 022. Non-cellulose plastics, including resins. 031. Photographic film and emulsions. 032. Transparent sheeting. 033. Explosives. 034. Cellulose intermediates and industrial collodions. 035. Soldering flux. 036. Adhesives and binders. 041. Proprietary solvents. 042. Solvents and thinners (other than proprietary solvents or special industrial solvents). 043. Solvents, special (restricted sale). 051. Polishes. 052. Inks (not including meat branding inks). 053. Stains (wood, etc.). 141. Shampoos. 142. Soap and bath preparations. 311. Cellulose compounds (dehydration). 312. Sodium hydrosulfite (dehydration). 315. Other dehydration products. 320. Petroleum products. 331. Processing pectin. 332. Processing other food products. 341. Processing crude drugs. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 345. Processing blood and blood products. 349. Miscellaneous drug processing (including manufacture of pills). 351. Processing dyes and intermediates. 352. Processing perfume materials and fixatives. 353. Processing photographic chemicals. 354. Processing rosin. 355. Processing rubber (latex). 358. Processing other chemicals. 359. Processing miscellaneous products. 410. Disinfectants, insecticides, fungicides, and other biocides. 420. Embalming fluids and related products. 430. Sterilizing and preserving solutions. 440. Industrial detergents and soaps. 450. Cleaning solutions (including household detergents). 481. Photoengraving and rotogravure dyes and solutions. 482. Other dye solutions. 485. Miscellaneous solutions (including duplicating fluids). (2) As a raw material: 521. Ethyl acetate. 522. Ethyl chloride. 523. Other ethyl esters. 530. Ethylamines. 540. Dyes and intermediates. 551. Acetaldehyde. 552. Other aldehydes. 561. Ethyl ether. 562. Other ethers. 571. Ethylene dibromide. 572. Ethylene gas. 573. Xanthates. 574. Fulminate of mercury and other detonators. 575. Drugs and medicinal chemicals. 579. Other chemicals. (3) As a fuel: 611. Automobile and supplementary fuels. 612. Airplane and supplementary fuels. 613. Rocket and jet fuels. 620. Proprietary heating fuels. 630. Other fuel uses. (4) As a fluid: 710. Scientific instruments. 720. Brake fluids. 730. Cutting oil. 740. Refrigerating uses. 750. Other fluid uses. 760. Proprietary anti-freeze. (5) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). 900. Specialized uses (unclassified). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-199, 50 FR 9183, Mar. 6, 1985; T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.33 Formula No. 2-B. (a) Formula. One-half gallon of rubber hydrocarbon solvent, 1/2 1/2 1/2 1/2 n (b) Authorized uses. 021. Cellulose plastics. 022. Non-cellulose plastics, including resins. 031. Photographic film and emulsions. 032. Transparent sheeting. 033. Explosives. 311. Cellulose compounds (dehydration). 312. Sodium hydrosulfite (dehydration). 315. Other dehydration products. 320. Petroleum products. 331. Processing pectin. 332. Processing other food products. 341. Processing crude drugs. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 349. Miscellaneous drug processing (including manufacture of pills). 351. Processing dyes and intermediates. 352. Processing perfume materials and fixatives. 353. Processing photographic chemicals. 358. Processing other chemicals. 359. Processing miscellaneous products. (2) As a raw material: 521. Ethyl acetate. 522. Ethyl chloride. 523. Other ethyl esters. 524. Sodium ethylate, anhydrous. 530. Ethylamines. 540. Dyes and intermediates. 551. Acetaldehyde. 552. Other aldehydes. 561. Ethyl ether. 562. Other ethers. 571. Ethylene dibromide. 572. Ethylene gas. 573. Xanthates. 575. Drugs and medicinal chemicals. 576. Organo-silicone products. 579. Other chemicals. (3) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). (c) Conditions governing use. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001; T.D. TTB-140 81 FR 59461, Aug. 30, 2016] § 21.34 [Reserved] § 21.35 Formula No. 3-A. (a) Formula. Five gallons of cyclohexane or methyl alcohol. (b) Authorized uses. 011. Cellulose coatings. 012. Synthetic resin coatings. 016. Other coatings. 021. Cellulose plastics. 022. Non-cellulose plastics, including resins. 031. Photographic film and emulsions. 032. Transparent sheeting. 033. Explosives. 034. Cellulose intermediates and industrial collodions. 035. Soldering flux. 036. Adhesives and binders. 041. Proprietary solvents. 043. Solvents, special (restricted sale). 051. Polishes. 052. Inks (including meat branding inks). 053. Stains (wood, etc.). 141. Shampoos. 142. Soap and bath preparations. 311. Cellulose compounds (dehydration). 312. Sodium hydrosulfite (dehydration). 315. Other dehydration products. 320. Petroleum products. 331. Processing pectin. 332. Processing other food products. 341. Processing crude drugs. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 345. Processing blood and blood products. 349. Miscellaneous drug processing (including manufacture of pills). 351. Processing dyes and intermediates. 352. Processing perfume materials and fixatives. 353. Processing photographic chemicals. 354. Processing rosin. 355. Processing rubber (latex). 358. Processing other chemicals. 359. Processing miscellaneous products. 410. Disinfectants, insecticides, fungicides, and other biocides. 420. Embalming fluids and related products. 430. Sterilizing and preserving solutions. 440. Industrial detergents and soaps. 450. Cleaning solutions (including household detergents). 470. Theater sprays, incense, and room deodorants. 481. Photoengraving and rotogravure dyes and solutions. 482. Other dye solutions. 485. Miscellaneous solutions (including duplicating fluids). (2) As a raw material: 530. Ethylamines. 540. Dyes and intermediates. 575. Drugs and medicinal chemicals. 576. Organo-silicone products. 579. Other chemicals. 590. Synthetic resins. (3) As a fuel: 611. Automobile and supplementary fuels. 612. Airplane and supplementary fuels. 613. Rocket and jet fuels. 620. Proprietary heating fuels. 630. Other fuel uses. (4) As a fluid: 710. Scientific instruments. 720. Brake fluids. 730. Cutting oils. 740. Refrigerating uses. 750. Other fluid uses. (5) Miscellaneous uses: 810. General laboratory and experimental use (own use only). 811. Laboratory reagents for sale. 812. Product development and pilot plant uses (own use only). 900. Specialized uses (unclassified). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-199, 50 FR 9183, Mar. 6, 1985; T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.36 [Reserved] § 21.37 Formula No. 3-C. (a) Formula. Five gallons of isopropyl alcohol. (b) Authorized uses. 011. Cellulose coatings. 012. Synthetic resin coatings. 016. Other coatings. 021. Cellulose plastics. 022. Non-cellulose plastics, including resins. 031. Photographic film and emulsions. 032. Transparent sheeting. 033. Explosives. 034. Cellulose intermediates and industrial collodions. 035. Soldering flux. 036. Adhesives and binders. 043. Solvents, special (restricted sale). 051. Polishes. 052. Inks (including meat branding inks). 053. Stains (wood, etc.). 141. Shampoos. 142. Soaps and bath preparations. 311. Cellulose compounds (dehydration). 312. Sodium hydrosulfite (dehydration). 315. Other dehydration products. 320. Petroleum products. 331. Processing pectin. 332. Processing other food products. 341. Processing crude drugs. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 345. Processing blood and blood products. 349. Miscellaneous drug processing (including manufacture of pills). 351. Processing dyes and intermediates. 352. Processing perfume materials and fixatives. 353. Processing photographic chemicals. 354. Processing rosin. 355. Processing rubber (latex). 358. Processing other chemicals. 359. Processing miscellaneous products. 410. Disinfectants, insecticides, fungicides, and other biocides. 420. Embalming fluids and related products. 430. Sterilizing and preserving solutions. 440. Industrial detergents and soaps. 450. Cleaning solutions (including household detergents). 470. Theater sprays, incense, and room deodorants. 481. Photoengraving and rotogravure dyes and solutions. 482. Other dye solutions. 485. Miscellaneous solutions (including duplicating fluids). (2) As a raw material: 530. Ethylamines. 540. Dyes and intermediates. 575. Drugs and medicinal chemicals. 576. Organo-silicone products. 579. Other chemicals. 590. Synthetic resins. (3) As a fuel: 611. Automobile and supplementary fuels. 612. Airplane and supplementary fuels. 613. Rocket and jet fuels. 620. Proprietary heating fuels. 630. Other fuel uses. (4) As a fluid: 710. Scientific instruments. 720. Brake fluids. 730. Cutting oils. 740. Refrigerating uses. 750. Other fluid uses. (5) Miscellaneous uses: 810. General laboratory and experimental use (own use only). 811. Laboratory reagents for sale. 812. Product development and pilot plant uses (own use only). 900. Specialized uses (unclassified). (c) Conditions governing use. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-199, 50 FR 9183, Mar. 6, 1985] § 21.38 Formula No. 4. (a) Formula. One gallon of the following solution: Five gallons of an aqueous solution containing 40 percent nicotine; 3.6 avoirdupois ounces of methylene blue, U.S.P.; and water sufficient to make 100 gallons. (b) Authorized uses. 460. Tobacco sprays and flavors. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). §§ 21.39-21.40 [Reserved] § 21.41 Formula No. 13-A. (a) Formula. Ten gallons of ethyl ether. (b) Authorized uses. 015. Candy glazes. 021. Cellulose plastics. 022. Non-cellulose plastics, including resins. 031. Photographic film and emulsions. 032. Transparent sheeting. 034. Cellulose intermediates and industrial collodions. 052. Inks (not including meat branding inks). 241. Collodion, U.S.P. 331. Processing pectin. 332. Processing other food products. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 345. Processing blood and blood products. 349. Miscellaneous drug processing (including manufacture of pills). 352. Processing perfume materials and fixatives. 353. Processing photographic chemicals. 358. Processing other chemicals. 359. Processing miscellaneous products. 430. Sterilizing and preserving solutions. 481. Photoengraving and rotogravure solutions and dyes. 485. Miscellaneous solutions. (2) As a raw material: 523. Miscellaneous ethyl esters. 561. Ethyl ether. 562. Other ethers. 575. Drugs and medicinal chemicals. 579. Other chemicals. (3) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.42 [Reserved] § 21.43 Formula No. 18. (a) Formula. One hundred gallons of vinegar of not less than 90-grain strength or 150 gallons of vinegar of not less than 60-grain strength. (b) Authorized uses. 511. Vinegar. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.44 Formula No. 19. (a) Formula. One hundred gallons of ethyl ether. (b) Authorized uses. 031. Photographic film and emulsions. 034. Cellulose intermediates and industrial collodions. 241. Collodion, U.S.P. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). §§ 21.45-21.46 [Reserved] § 21.47 Formula No. 23-A. (a) Formula. Eight gallons of acetone, U.S.P. (b) Authorized uses. 011. Cellulose coatings. 012. Synthetic resin coatings. 013. Shellac coatings. 014. Other natural resin coatings. 015. Candy glazes. 016. Other coatings. 032. Transparent sheeting. 034. Cellulose intermediates and industrial collodions. 035. Soldering flux. 036. Adhesives and binders. 042. Solvents and thinners (other than proprietary solvents or special industrial solvents). 052. Inks (including meat branding inks). 053. Stains (wood, etc.). 111. Hair and scalp preparations. 112. Bay rum. 113. Lotions and creams (hand, face, and body). 114. Body deodorants and deodorant creams. 141. Shampoos. 142. Soaps and bath preparations. 210. External pharmaceuticals, not U.S.P. or N.F. 244. Antiseptic solutions, U.S.P. or N.F. 249. Miscellaneous external pharmaceuticals, U.S.P. or N.F. 331. Processing pectin. 332. Processing other food products. 341. Processing crude drugs. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 345. Processing blood and blood products. 349. Miscellaneous drug processing (including manufacture of pills). 358. Processing other chemicals. 359. Processing miscellaneous products. 410. Disinfectants, insecticides, fungicides, and other biocides. 420. Embalming fluids and related products. 430. Sterilizing and preserving solutions. 440. Industrial detergents and soaps. 450. Cleaning solutions (including household detergents). 482. Miscellaneous dye solutions. 485. Miscellaneous solutions. (2) As a fluid: 740. Refrigerating uses. 750. Miscellaneous fluid uses. (3) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.48 [Reserved] § 21.49 Formula No. 23-H. (a) Formula. Eight gallons of acetone, U.S.P., and 1.5 gallons of methyl isobutyl ketone. (b) Authorized uses. 111. Hair and scalp preparations. 113. Lotions and creams (hand, face, and body). 210. External pharmaceuticals, not U.S.P. or N.F. 220. Rubbing alcohols. 410. Disinfectants, insecticides, fungicides, and other biocides. 450. Cleaning solutions (including household detergents). (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.50 Formula No. 25. (a) Formula. Twenty pounds of iodine, U.S.P., and 15 pounds of either potassium iodide, U.S.P., or sodium iodide, U.S.P. (b) Authorized uses. 230. Tinctures of iodine. 249. Miscellaneous external pharmaceuticals, U.S.P. or N.F. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.51 Formula No. 25-A. (a) Formula. A solution composed of 20 pounds of iodine, U.S.P.; 15 pounds of either potassium iodide, U.S.P., or sodium iodide, U.S.P.; and 15 pounds of water. (b) Authorized uses. 230. Tinctures of iodine. 249. Miscellaneous external pharmaceuticals, U.S.P. or N.F. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). §§ 21.52-21.54 [Reserved] § 21.55 Formula No. 28-A. (a) Formula. One gallon or any combination totaling 1 gallon of either gasoline, unleaded gasoline, heptane, or rubber hydrocarbon solvent. (b) Authorized uses. 611. Automobile and supplementary fuels. 612. Airplane and supplementary fuels. 613. Rocket and jet fuels. 620. Proprietary heating fuels. 630. Other fuel uses. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.56 Formula No. 29. (a) Formula. One gallon of 100 percent acetaldehyde or 5 gallons of an alcohol solution of acetaldehyde containing not less than 20 percent acetaldehyde, or 1 gallon of ethyl acetate having an ester content of 100 percent, or, where approved by the appropriate TTB officer, as to material and quantity, not less than 6.8 pounds if solid, or 1 gallon if liquid, of any chemical. When material other than acetaldehyde or ethyl acetate is proposed to be used, the user shall submit an application for such use to the appropriate TTB officer. The application shall include specifications, assay methods, and an 8-ounce sample of the substitute material for analysis. (b) Authorized uses. 511. Vinegar. 512. Acetic acid. 521. Ethyl acetate. 522. Ethyl chloride. 523. Other ethyl esters. 530. Ethylamines. 540. Dyes and intermediates. 551. Acetaldehyde. 552. Other aldehydes. 561. Ethyl ether. 562. Other ethers. 571. Ethylene dibromide. 572. Ethylene gas. 573. Xanthates. 575. Drugs and medicinal chemicals. 579. Other chemicals. 580. Synthetic rubber. 590. Synthetic resins. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). (c) Conditions governing use. § 21.57 Formula No. 30. (a) Formula. Ten gallons of methyl alcohol. (b) Authorized uses. 011. Cellulose coatings. 012. Synthetic resin coatings. 021. Cellulose plastics. 022. Non-cellulose plastics, including resins. 031. Photographic film and emulsions. 035. Soldering flux. 036. Adhesives and binders. 042. Solvents and thinners (other than proprietary solvents or special industrial solvents). 051. Polishes. 052. Inks (not including meat branding inks). 053. Stains. 142. Soap and bath preparations. 331. Processing pectin. 332. Processing other food products. 341. Processing crude drugs. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 345. Processing blood and blood products. 349. Miscellaneous drug processing (including manufacture of pills). 352. Processing perfume materials and fixatives. 353. Processing photographic chemicals. 358. Processing other chemicals. 359. Processing miscellaneous products. 410. Disinfectants, insecticides, fungicides, and other biocides. 430. Sterilizing and preserving solutions. 440. Industrial detergents and soaps. 450. Cleaning solutions (including household detergents). 481. Photoengraving and rotogravure solutions and dyes. 482. Other dye solutions. 485. Miscellaneous solutions (including duplicating fluids). (2) As a raw material: 575. Drugs and medicinal chemicals. 576. Organo-silicone products. 579. Other chemicals. 590. Synthetic resins. (3) As a fluid in: 740. Refrigerating uses. 750. Other fluid uses: (4) Miscellaneous uses: 810. General laboratory and experimental use (own use only). 811. Laboratory reagents for sale. 812. Product development and pilot plant uses (own use only). § 21.58 Formula No. 31-A. (a) Formula. One hundred pounds of glycerin (glycerol), U.S.P., and 20 pounds of hard soap, N.F. XI. (b) Authorized uses. 113. Lotions and creams (hands, face, and body). 131. Tooth paste and tooth powder. 141. Shampoos. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.59 Formula No. 32. (a) Formula. Five gallons of ethyl ether. (b) Authorized uses. 031. Photographic film and emulsions. 034. Cellulose intermediates and industrial collodions. 052. Inks (not including meat branding inks). 241. Collodion, U.S.P. 311. Ethyl cellulose compounds (dehydration). 332. Processing miscellaneous food products. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 430. Sterilizing and preserving solutions. 481. Photoengraving and rotogravure solutions and dyes. 485. Miscellaneous solutions. (2) As a raw material: 522. Ethyl chloride. 523. Other ethyl esters. 561. Ethyl ether. 562. Other ethers. 571. Ethylene dibromide. 572. Ethylene gas. 575. Drugs and medicinal chemicals. 579. Other chemicals. 580. Synthetic rubber. (3) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] §§ 21.60-21.61 [Reserved] § 21.62 Formula No. 35-A. (a) Formula. 4.25 gallons of ethyl acetate having an ester content of 100 percent by weight or the equivalent thereof not to exceed 5 gallons of ethyl acetate with an ester content of not less than 85 percent by weight. (b) Authorized uses. 015. Candy glazes. 052. Inks. 331. Processing pectin. 332. Processing other food products. 342. Processing glandular products, vitamins, hormones, and yeasts. 343. Processing antibiotics and vaccines. 344. Processing medicinal chemicals (including alkaloids). 349. Miscellaneous drug processing (including manufacture of pills). 358. Processing miscellaneous chemicals. 359. Processing miscellaneous products. 485. Miscellaneous solutions. (2) As a raw material: 511. Vinegar. 512. Acetic acid. 521. Ethyl acetate. 523. Other ethyl esters. 590. Synthetic resins. 910. Animal feed supplements. (3) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.63 Formula No. 36. (a) Formula. Three gallons of ammonia, aqueous, 27 to 30 percent by weight; 3 gallons of strong ammonia solution, N.F.: 17.5 pounds of caustic soda, liquid grade, containing 50 percent sodium hydroxide by weight; 8.75 pounds of potassium hydroxide, on an anhydrous basis or 12.0 pounds of caustic soda, liquid grade, containing 73 percent sodium hydroxide by weight. (b) Authorized uses. 141. Shampoos. 142. Soap and bath preparations. 210. External pharmaceuticals, not U.S.P. or N.F. 450. Cleaning solutions (including household detergents). (2) As a raw material: 530. Ethylamines. 540. Dyes and intermediates. 579. Other chemicals. (3) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.64 Formula No. 37. (a) Formula. Forty-five fluid ounces of eucalyptol, N.F. XII, 30 avoirdupois ounces of thymol, N.F., and 20 avoirdupois ounces of menthol, U.S.P. (b) Authorized uses. 111. Hair and scalp preparations. 112. Bay rum. 113. Lotions and creams (hand, face, and body). 131. Dentifrices. 132. Mouth washes. 210. External pharmaceuticals, not U.S.P. or N.F. 244. Antispetic solutions, U.S.P. or N.F. 410. Disinfectants, insecticides, fungicides, and other biocides. 430. Sterilizing and preserving solutions. 470. Theater sprays, incense, and room deodorants. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.65 Formula No. 38-B. (a) Formula. Ten pounds of any one, or a total of 10 pounds of two or more, of the oils and substances listed below: Alpha terpineol Anethole, N.F. Anise oil, N.F. Bay oil (myrcia oil), N.F. XI. Benzaldehyde, N.F. Bergamot oil, N.F. XI. Bitter almond oil, N.F. X. Camphor, U.S.P. Cedar leaf oil, U.S.P. XIII. Chlorothymol, N.F. XII. Cinnamic aldehyde, N.F. IX. Cinnamon oil, N.F. Citronella oil, natural. Clove oil, N.F. Coal tar, U.S.P. Cornmint oil. Distilled lime oil. Eucalyptol, N.F. XII. Eucalyptus oil, N.F. Eugenol, U.S.P. Guaiacol, N.F. X. L(-)-Carvone. Lavender oil, N.F. Lemon oil. Menthol, U.S.P. Methyl salicylate, N.F. Mustard oil, volatile (allyl isothiocyanate), U.S.P. XII. Peppermint oil, N.F. Peppermint oil, terpeneless. Phenol, U.S.P. Phenyl salicylate (salol), N.F. XI. Pine oil, N.F. XII. Pine needle oil, dwarf, N.F. Rosemary oil, N.F. XII. Safrole. Sassafras oil, N.F. XI. Spearmint oil, N.F. Spearmint oil, terpeneless. Spike lavender oil, natural. Storax, U.S.P. Thyme oil, N.F. XII. Thymol, N.F. Tolu balsam, U.S.P. Turpentine oil, N.F. XI. If it is shown that none of the above single denaturants or combinations can be used in the manufacture of a particular product, the user may submit an application to the appropriate TTB officer, requesting permission to use another essential oil or substance having denaturing properties satisfactory to the appropriate TTB officer. In such a case the user shall furnish the appropriate TTB officer, with specifications, assay methods, the name and address of the manufacturer, and an 8-ounce sample of the denaturant for analysis. (b) Authorized uses. 111. Hair and scalp preparations. 112. Bay rum. 113. Lotions and creams (hand, face, and body). 114. Deodorants (body). 121. Perfumes and perfume tinctures. 122. Toilet waters and colognes. 131. Dentifrices. 132. Mouth washes. 141. Shampoos. 142. Soap and bath preparations. 210. External pharmaceuticals, not U.S.P. or N.F. 243. Liniments, U.S.P. or N.F. 244. Antiseptic solutions, U.S.P. or N.F. 249. Miscellaneous external pharmaceuticals, U.S.P. or N.F. 349. Miscellaneous drug processing (including manufacture of pills). 410. Disinfectants, insecticides, fungicides, and other biocides. 430. Sterilizing and preserving solutions. 470. Theater sprays, incense, and room deodorants. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001; T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.66 [Reserved] § 21.67 Formula No. 38-D. (a) Formula. Two and one-half pounds of menthol, U.S.P., and 2.5 gallons of formaldehyde solution, U.S.P. (b) Authorized uses. 131. Dentifrices. 132. Mouth washes. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.68 Formula No. 38-F. (a) Formula. (1) Six pounds of either boric acid, N.F., Polysorbate 80, N.F., or Poloxamer 407, N.F.; 1 1 3 1 3 1 3 (2) A total of at least 3 pounds of any two or more denaturing materials listed under Formula No. 38-B, plus sufficient boric acid, N.F., Polysorbate 80, N.F., or Poloxamer 407, N.F. to total 10 pounds of denaturant; or (3) Seven pounds of zinc chloride, U.S.P., 2.6 fluid ounces of hydrochloric acid, N.F., and a total of 3 pounds of any two or more of the denaturing materials listed under Formula No. 38-B. (b) Authorized uses. 132. Mouth washes. 210. External pharmaceuticals, not U.S.P. or N.F. 244. Antiseptic solutions, U.S.P. or N.F. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] §§ 21.69-21.70 [Reserved] § 21.71 Formula No. 39-B. (a) Formula. Two and one-half gallons of diethyl phthalate and 1/8 tert- (b) Authorized uses. 111. Hair and scalp preparations. 112. Bay rum. 113. Lotions and creams (hand, face, and body). 114. Deodorants (body). 121. Perfumes and perfume tinctures. 122. Toilet waters and colognes. 141. Shampoos. 142. Soap and bath preparations. 210. External pharmaceuticals, not U.S.P. or N.F. 410. Disinfectants, insecticides, fungicides, and other biocides. 450. Cleaning solutions (including household detergents). 470. Theater sprays, incense, and room deodorants. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.72 Formula No. 39-C. (a) Formula. One gallon of diethyl phthalate. (b) Authorized uses. 111. Hair and scalp preparations. 113. Lotions and creams (hand, face, and body). 114. Deodorants (body). 121. Perfumes and perfume tinctures. 122. Toilet waters and colognes. 142. Soaps and bath preparations. 470. Theater sprays, incense, and room deodorants. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.73 Formula No. 39-D. (a) Formula. One gallon of bay oil (myrcia oil), N.F. XI, and either 50 avoirdupois ounces of quinine sulfate, U.S.P., 50 avoirdupois ounces of sodium salicylate, U.S.P. (b) Authorized uses. 111. Hair and scalp preparations. 112. Bay rum. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.74 Formula No. 40. (a) Formula. 1/8 tert One and one-half avoirdupois ounces of either (1) brucine alkaloid, (2) brucine sulfate, N.F. IX, (3) quassin, or (4) any combination of two or of three of those denaturants. (b) Authorized uses. 111. Hair and scalp preparations. 112. Bay rum. 113. Lotions and creams (hand, face, and body). 114. Deodorants (body). 121. Perfumes and perfume tinctures. 122. Toilet waters and colognes. 141. Shampoos. 142. Soaps and bath preparations. 210. External pharmaceuticals, not U.S.P. or N.F. 410. Disinfectants, insecticides, fungicides, and other biocides. 450. Cleaning solutions (including household detergents). 470. Theater sprays, incense, and room deodorants. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.75 Formula No. 40-A. (a) Formula. One pound of sucrose octaacetate and 1/8 tert (b) Authorized uses. 111. Hair and scalp preparations. 112. Bay rum. 113. Lotions and creams (hand, face, and body). 114. Deodorants (body). 121. Perfumes and perfume tinctures. 122. Toilet waters and colognes. 141. Shampoos. 142. Soaps and bath preparations. 210. External pharmaceuticals, not U.S.P. or N.F. 410. Disinfectants, insecticides, fungicides, and other biocides. 450. Cleaning solutions (including household detergents). 470. Theater sprays, incense, and room deodorants. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.76 Formula No. 40-B. (a) Formula. One-sixteenth avoirdupois ounce of denatonium benzoate, N.F., and 1/8 tert (b) Authorized uses. 052. Inks. 111. Hair and scalp preparations. 112. Bay rum. 113. Lotions and creams (hand, face, and body). 114. Deodorants (body). 121. Perfumes and perfume tinctures. 122. Toilet waters and colognes. 141. Shampoos. 142. Soaps and bath preparations. 210. External pharmaceuticals, not U.S.P. or N.F. 410. Disinfectants, insecticides, fungicides, and other biocides. 450. Cleaning solutions (including household detergents). 470. Theater sprays, incense, and room deodorants. 485. Miscellaneous solutions. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001; T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.77 Formula No. 40-C. (a) Formula. Three gallons of tert (b) Authorized uses. 111. Hair and scalp preparations. 112. Bay rum. 113. Lotions and creams (hand, face, and body). 114. Deodorants (body). 121. Perfumes and perfume tinctures. 122. Toilet waters and colognes. 141. Shampoos. 142. Soaps and bath preparations. 210. External pharmaceuticals, not U.S.P. or N.F. 410. Disinfectants, insecticides, fungicides, and other biocides. 450. Cleaning solutions (including household detergents). 470. Theater sprays, incense, and room deodorants. 485. Miscellaneous solutions. (2) Miscellaneous uses. 812. Product development and pilot plant uses (own use only). (c) Conditions governing use. § 21.78 [Reserved] § 21.79 Formula No. 44. (a) Formula. Ten gallons of n (b) Authorized uses. 430. Sterilizing and preserving solutions. (2) Miscellaneous uses: 812. Product development and pilot plant uses (own use only). § 21.80 Formula No. 45. (a) Formula. Three hundred pounds of refined white or orange shellac. (b) Authorized uses. 015. Candy glazes. (2) Miscellaneous uses: 812 Product development and pilot plant uses (own use only). § 21.81 [Reserved] Subpart E—Specifications for Denaturants § 21.91 General. Denaturants prescribed in this part shall comply with the specifications set forth in this subpart. However, in order to meet requirements of national defense or for other valid reasons, the appropriate TTB officer may, pursuant to written application filed by the denaturer, authorize variations from such specifications or authorize the use of substitute denaturants if such variation or substitution will not jeopardize the revenue. Each such application shall identify the applicant by name, address, and permit number; state the number of each formula of specially denatured alcohol involved; explain why the use of the substitute denaturant, or the variation from specifications, as the case may be, is necessary; and include, as applicable, either the identity of the approved denaturant for which substitution is desired and the identity of the substitute denaturant (including the name of the manufacturer) or the identity of the prescribed specifications and the proposed variation from those specifications. The application shall be accompanied by an 8-ounce sample of the proposed denaturing material for analysis. The authorization of a substitute denaturant may be published in a TTB Ruling. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001; T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.92 Denaturants listed as U.S.P. or N.F. Denaturing materials and products listed in this part as “U.S.P.” or “N.F.” shall meet the specifications set forth in the current United States Pharmacopoeia or National Formulary, or the latest volume of these publications in which the denaturants appeared as official preparations. § 21.93 Acetaldehyde. (a) Aldehyde content (as acetaldehyde). (b) Color. (c) Odor. (d) Specific gravity at 15.56 °/15.56 °C. § 21.94 Acetaldol. (a) Purity. Dissolve 15 grams of the acetaldol in distilled water and dilute to 1 liter in a volumetric flask. Transfer 5 mL of this solution to a 250 mL glass-stoppered flask containing 25 mL distilled water. Add 25 mL of a freshly prepared 1 percent sodium bisulfite solution. Prepare a blank omitting the acetaldol solution. Place the flasks in a dark place away from excessive heat or cold and allow to stand six hours. Remove flasks and titrate free bisulfite with 0.1 N iodine solution using starch indicator. Percent acetaldol by weight = (mL blank − mL test) × 200 × 0.44 / weight of sample Titrations in excess of 100 percent may be obtained if the sample contains appreciable amounts of acetaldehyde. (b) Specific gravity at 20 °C. § 21.94-T Alkylate. (a) API gravity at 60 °F. (b) Reid vapor pressure (PSI). (c) Distillation ( °F): (i) I.B.P. (ii) 10 percent. (iii) 50 percent. (iv) 90 percent. (v) End point distillation. [T.D. TTB-140, 81 FR 59461, Aug. 30, 2016] § 21.95 Alpha terpineol. (a) Boiling point at 752mm 218.8-219.4 °C. (b) Density at 15° 0.9386. (c) Refractive index at 20° 1.4831. [T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.96 Ammonia, aqueous. (a) Alkalinity. (b) Ammonia content. 3 (c) Color. (d) Non-volatile residue. 1/2 (e) Odor. (f) Specific gravity at 20 °/4 °C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] §§ 21.97-21.98 [Reserved] § 21.99 Brucine alkaloid. (a) Identification test. (b) Melting point. Note. Brucine alkaloid tetrahydrate melts at 105 °C. while the anhydrous form melts at 178 °C. (c) Strychnine test. Note. If the brucine contains as much as 0.05 percent strychnine, a clear distinctive violet color, characteristic of strychnine, will be obtained. (d) Sulfate test. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.100 n (a) Acidity (as acetic acid). (b) Color. (c) Dryness at 20 °C. (d) Odor. (e) Specific gravity at 20 °/20 °C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.101 tert-Butyl alcohol. (a) Acidity (as acetic acid). (b) Color. (c) Distillation range. (d) Dryness at 20 °C. (e) Freezing point (first needle). (f) Identification test. (g) Nonvolatile matter. (h) Odor. (i) Residual odor after evaporation. (j) Specific gravity at 25 °/25 °C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.102 Caustic soda, liquid. (a) The liquid caustic soda may consist of either 50 percent or 73 percent by weight sodium hydroxide in aqueous solution. The amount of caustic soda used shall be such that each 100 gallons of alcohol will contain not less than 8.76 pounds of sodium hyroxide, anhydrous basis. (b) Color. (c) Assay. Accurately weigh 2 grams of liquid caustic soda into a 100 mL volumetric flask, dissolve, and dilute to the mark with distilled water at room temperature. Transfer a 25 mL aliquot of the solution to a titration flask, add 10 mL of 1 percent barium chloride solution, 0.2 mL of 1 percent phenolphthalein indicator, and 50 mL of distilled water. Titrate with 0.25 N hydrochloric acid to the disappearance of the pink color. Not less than 25 mL of the hydrochloric acid shall be required to neutralize the sample of diluted 50 percent caustic soda, and not less than 36.5 mL of the hydrochloric acid shall be required to neutralize the sample of diluted 73 percent caustic soda. One mL of 0.25 N hydrochloric acid equals 0.01 gram of sodium hydroxide (anhydrous). [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] §§ 21.103-21.104 [Reserved] § 21.105 Citronella oil, natural. (a) Java type: (1) Alcohol content (as Geraniol). (2) Aldehyde content (as Citronellal). (3) Refractive index at 20 °C. (4) Specific gravity at 25 °/25 °C. (5) Odor. (b) Ceylon type: (1) Alcohol content (as Geraniol). (2) Aldehyde content (as Citronellal). (3) Refractive index at 20 °C. (4) Specific gravity at 25 °/25 °C. (5) Odor. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.105-T1 Cornmint oil (Mentha arvensis and Mentha canadensis). (a) Specific gravity at 25 °C. (b) Refractive index at 20 °C. (c) Optical rotation at 20 °C. (d) Alcohol content (as menthol). (e) Ketone content (as menthone). [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.105-T2 Cyclohexane. (a) Specific gravity at 20 °C. (b) Odor. [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.106 Diethyl phthalate. (a) Refractive index at 25 °C. (b) Color. (c) Odor. (d) Solubility. (e) Specific gravity at 25 °/25 °C. (f) Ester content (as diethyl phthalate). Note. The sample taken for ester determination should be approximately 0.8 gram. The number of mL of 0.5 N potassium hydroxide used in saponification multiplied by 0.05555 indicates the number of grams of ester in the sample taken for assay. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.106-T Distilled lime oil (Citrus aurantifolia). (a) Specific gravity at 25 °C. (b) Refractive index at 20 °C. (c) Optical rotation at 20 °C. (d) Aldehyde content (as citral). (e) Terpene content (as limonene). [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.107 Ethyl acetate. (a) 85 percent ester: (1) Acidity (as acetic acid). (2) Color. (3) Odor. (4) Ester content. (5) Specific gravity at 20 °/20 °C. (6) Distillation range. (b) 100 percent ester: (1) Acidity (as acetic acid). (2) Color. (3) Odor. (4) Ester content. (5) Specific gravity at 20 °/20 °C. (6) Distillation range. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.108 Ethyl ether. (a) Odor. (b) Specific gravity at 15.56 °/15.56 °C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.108-T Ethyl tertiary butyl ether. (a) Purity. (b) Color. (c) Odor. (d) Specific gravity at 20 °C. (e) Boiling point ( °C). [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.109 Gasoline. (a) Distillation range. (b) Odor. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.110 Gasoline, unleaded. Conforms to specifications as established by the American Society for Testing and Materials (ASTM) in the 1980 Annual Book of ASTM Standards, Part 23, page 229, Standard No. D 439-79. Any of the “seasonal and geographical” volatility classes for unleaded gasoline are considered suitable as a denaturant. (For incorporation by reference, see § 21.6(b).) [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.111 [Reserved] § 21.112 Heptane. (a) Distillation range. (b) Odor. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.112-T1 Hexane (mixed isomers). (a) General. n (b) Distillation range. (c) Odor. [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.112-T2 n (a) General. (b) Distillation range. (c) Odor. [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.112-T3 High octane denaturant blend. (a) API Gravity at 60 °F. (b) Reid Vapor Pressure (PSI). (c) Isopropyl alcohol. (d) Methyl alcohol. (e) Diisopropyl ether (DIPE). (f) tert-Butyl alcohol. (g) Iso-pentane. (h) Pentane. (i) Pentene. (j) Hexane. (k) Heptane. (l) Sulfur (ppm). (m) Benzene (% vol.). (n) Distillation ( °F): (i) 10 percent. (ii) 50 percent. (iii) End point distillation. [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.113 Isopropyl alcohol. Specific gravity at 15.56 °/15.56 °C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.114 Kerosene. (a) Distillation range. (b) Flash point. (c) Odor. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.115 Kerosene (deodorized). (a) Distillation range. (b) Flash point. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.115-T1 Lemon oil (Citrus limonium). (a) Specific gravity at 25 °C. (b) Refractive index at 20 °C. (c) Optical rotation at 20 °C. (d) Terpene content (as limonene). [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.115-T2 L(-)-Carvone. (a) Specific gravity at 25 °C. (b) Refractive index at 20 °C. (c) Angular rotation. (d) Assay. [T.D, TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.116 Methyl alcohol. Specific gravity at 15.56 °/15.56 °C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.117 Methyl isobutyl ketone. (a) Acidity (as acetic acid). (b) Color. (c) Distillation range. (d) Odor. (e) Specific gravity at 20 °/20 °C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.118 Methyl n (a) Acidity (as acetic acid). (b) Color. (c) Odor. (d) Refractive index at 20 °C. (e) Specific gravity at 20 °/20 °C. (f) Distillation range. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.118-T1 Methyl tertiary butyl ether. (a) Purity. (b) Color. (c) Odor. (d) Specific Gravity at 20 °C. (e) Boiling Point ( °C). [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.118-T2 Naphtha. (a) API Gravity at 60 °F. (b) Reid Vapor Pressure (PSI). (c) Specific Gravity at 20 °C. (d) Distillation ( °F): (i) I.B.P. (ii) 10 percent. (iii) 50 percent. (iv) 90 percent. (e) End point distillation. (f) Copper corrosion. (g) Sabolt color. [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.118-T3 Natural gasoline. Natural gasoline is a mixture of various alkanes including butane, pentane, and hexane hydrocarbons extracted from natural gas. It has a distillation range wherein no more than 10 percent by volume of the sample may distill below 97 °F; at least 50 percent by volume shall distill at or below 156 °F; and at least 90 percent by volume shall distill at or below 209 °F. [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.119 Nicotine solution. (a) Composition. (b) Color. 4 2 (c) Nicotine content. 2 4 [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.120 Nitropropane, mixed isomers of. (a) Nitropropane content. (b) Total nitroparaffin content. (c) Distillation range. (d) Specific gravity at 20°/20 °C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.121 Peppermint oil, Terpeneless. (a) Specific gravity at 25 °C. (b) Refractive index at 20 °C. (c) Esters as menthyl acetate. (d) Menthol (free and esters). [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.122 Potassium Hydroxide. (a) Color. (b) Specific gravity at 20 °C. (c) Melting point. (d) Boiling point. (e) pH (0.1M solution). [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.123 Pyronate. Pyronate is a product of the destructive distillation of hardwood meeting the following requirements: (a) Acidity (as acetic acid). Add 5.0 mL sample to 100 mL distilled water in an Erlenmeyer flask and titrate with 0.1 N NaOH to a bromthymol blue endpoint. (b) Color. (c) Distillation range. Note. Any material submitted as pyronate must agree in color, odor, taste and denaturing value with a standard sample furnished by the Alcohol and Tobacco Tax and Trade Bureau to chemists authorized to examine samples of denaturants. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.124 Quassin. (a) Quassin is the bitter principle of quassia wood (occurring as a mixture of two isomeric forms). It shall be a good commercial grade of purified amorphous quassin, standardized as to bitterness. (b) Bitterness. (c) Identification test. (d) Optical assay. (e) Solubility. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.124-T Raffinate. (a) API Gravity at 60 °F. (b) Reid Vapor Pressure (PSI). (c) Octane (R+M/2). (d) Distillation ( °F): (i) 10 percent. (ii) 50 percent. (iii) 90 percent. (iv) End point distillation. [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.125 Rubber hydrocarbon solvent. (a) Rubber hydrocarbon solvent is a petroleum derivative. (b) Distillation range. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001; T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.126 Safrole. (a) Congealing point. (b) Refractive index at 20 °C. (c) Specific gravity at 15 °/15 °C. (d) Odor. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.127 Shellac (refined). (a) Arsenic content. (b) Color. (c) Rosin content. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.128 [Reserved] § 21.129 Spearmint oil, terpeneless. (a) Carvone content. (b) Refractive index at 20 °C. (c) Specific gravity at 25 °/25 °C. (d) Odor. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.130 Spike lavender oil, natural. (a) Alcohol content (as borneol). (b) Esters (as bornyl acetate). (c) Refractive index at 20 °C. (d) Specific gravity at 25 °/25 °C. (e) Odor. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.130-T Straight run gasoline. (a) General. 4, 5 6 7 8 (1) A petroleum distillate coming straight from an atmospheric distillation unit without being cracked or reformed, or (2) A condensate coming directly from an oil/gas recovery operation. (b) API gravity. (c) Reid vapor pressure (PSI). (d) Sulfur. (e) Benzene. (f) Distillation ( °F): (1) 10 percent. (2) 50 percent. (3) Final boiling point. [T.D. TTB-140, 81 FR 59462, Aug. 30, 2016] § 21.131 Sucrose octaacetate. (a) Sucrose octaacetate is an organic acetylation product occurring as a white or cream-colored powder having an intensely bitter taste. (b) Free acid (as acetic acid). Percent acid as acetic acid = mL NaOH used × 0.6 / weight of sample (c) Insoluble matter. (d) Melting point. (e) Purity. Percent sucrose octaacetate = (mL NaOH − mL H 2 4 [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] § 21.132 Toluene. (a) Specific Gravity at 15.56°/15.56 °C. (b) Boiling point ( °C). (c) Distillation range ( °C). (d) Odor. [T.D. TTB-140, 81 FR 59463, Aug. 30, 2016] § 21.133 Vinegar. (a) Vinegar, 90-grain: Acidity (as acetic acid). (b) Vinegar, 60-grain: Acidity (as acetic acid). [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001] Subpart F—Uses of Specially Denatured Alcohol and Specially Denatured Rum § 21.141 List of products and processes using specially denatured alcohol and rum, and formulas authorized therefor. This section lists, alphabetically by product or process, formulas of specially denatured alcohol authorized for use in those products or processes, and lists the code numbers assigned thereto. Specially denatured rum, as well as specially denatured alcohol, may be used in tobacco sprays and flavors, Code No. 460, under Formula No. 4. Uses of Specially Denatured Alcohol 1 Product or process Code No. Formulas authorized Acetaldehyde 551 1, 2-B, 29. Acetic acid 512 29, 35-A. Adhesives and binders 036 1, 3-A, 3-C, 23-A, 30. Aldehydes, miscellaneous 552 1, 2-B, 29. Alkaloids (processing) 344 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. Animal feed supplements 910 35-A. Antibiotics (processing) 343 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. Antifreeze, proprietary 760 1. Antiseptic solutions, U.S.P. or N.F 244 23-A, 37, 38-B, 38-F. Bath preparations 142 1, 3-A, 3-C, 23-A, 30, 36, 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Bay rum 112 23-A, 37, 38-B, 39-B, 39-D, 40, 40-A, 40-B, 40-C. Biocides, miscellaneous 410 1, 3-A, 3-C, 23-A, 23-H, 30, 37, 38-B, 39-B, 40, 40-A, 40-B, 40-C. Blood and blood products (processing) 345 1, 3-A, 3-C, 13-A, 23-A, 30. Brake fluids 720 1, 3-A, 3-C. Candy glazes 015 13-A, 23-A, 35-A, 45. Cellulose coatings 011 1, 3-A, 3-C, 23-A, 30. Cellulose compounds (dehydration) 311 1, 2-B, 3-A, 3-C, 32. Cellulose intermediates 034 1, 3-A, 3-C, 13-A, 19, 23-A, 32. Chemicals (miscellaneous) 579 1, 2-B, 3-A, 3-C, 13-A, 29, 30, 32, 36. Cleaning solutions 450 1, 3-A, 3-C, 23-A, 23-H, 30, 36, 39-B, 40, 40-A, 40-B, 40-C. Coatings, miscellaneous 016 1, 3-A, 3-C, 23-A. Collodions, industrial 034 1, 3-A, 3-C, 13-A, 19, 23-A, 32. Collodion, U.S.P. 241 13-A, 19, 32. Colognes 122 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Crude drugs (processing) 341 1, 2-B, 3-A, 3-C, 23-A, 30. Cutting oils 730 1, 3-A, 3-C. Dehydration products, miscellaneous 315 1, 2-B, 3-A, 3-C. Dentifrices 131 31-A, 37, 38-B, 38-D. Deodorants (body) 114 23-A, 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Detergents, household 450 1, 3-A, 3-C, 23-A, 23-H, 30, 36, 39-B, 40, 40-A, 40-B, 40-C. Detergents, industrial 440 1, 3-A, 3-C, 23-A, 30. Detonators 574 1. Disinfectants 410 1, 3-A, 3-C, 23-A, 23-H, 30, 37, 38-B, 39-B, 40, 40-A, 40-B, 40-C. Drugs and medicinal chemicals 575 1, 2-B, 3-A, 3-C, 13-A, 29, 30, 32. Drugs, miscellaneous (processing) 349 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 35-A, 38-B. Duplicating fluids 485 1, 3-A, 3-C, 30. Dyes and intermediates 540 1, 2-B, 3-A, 3-C, 29, 36. Dyes and intermediates (processing) 351 1, 2-B, 3-A, 3-C. Dye solutions, miscellaneous 482 1, 3-A, 3-C, 23-A, 30. Embalming fluids, etc 420 1, 3-A, 3-C, 23-A. Esters, ethyl (miscellaneous) 523 1, 2-B, 13-A, 29, 32, 35-A. Ether, ethyl 561 1, 2-B, 13-A, 29, 32. Ethers, miscellaneous 562 1, 2-B, 13-A, 29, 32. Ethyl acetate 521 1, 2-B, 29, 35-A. Ethylamines 530 1, 2-B, 3-A, 3-C, 29, 36. Ethyl chloride 522 1, 2-B, 29, 32. Ethylene dibromide 571 1, 2-B, 29, 32. Ethylene gas 572 1, 2-B, 29, 32. Explosives 033 1, 2-B, 3-A, 3-C. External pharmaceuticals, not U.S.P. or N.F 210 23-A, 23-H, 36, 37, 38-B, 38-F, 39-B, 40, 40-A, 40-B, 40-C. External pharmaceuticals, miscellaneous, U.S.P. or N.F 249 23-A, 25, 25-A, 38-B, 40-B. Fluid uses, miscellaneous 750 1, 3-A, 3-C, 23-A, 30. Food products, miscellaneous (processing) 332 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. Fuel uses, miscellaneous 630 1, 3-A, 3-C, 28-A. Fuels, airplane and supplementary 612 1, 3-A, 3-C, 28-A. Fuels, automobile and supplementary 611 1, 3-A, 3-C, 28-A. Fuels, proprietary heating 620 1, 3-A, 3-C, 28-A. Fuels, rocket and jet 613 1, 3-A, 3-C, 28-A. Fungicides 410 1, 3-A, 3-C, 23-A, 23-H, 30, 37, 38-B, 39-B, 40, 40-A, 40-B, 40-C. Glandular products (processing) 342 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. Hair and scalp preparations 111 23-A, 23-H, 37, 38-B, 39-B, 39-C, 39-D, 40, 40-A, 40-B, 40-C. Hormones (processing) 342 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. Incense 470 3-A, 3-C, 37, 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Inks 052 1, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A, 40-B. Insecticides 410 1, 3-A, 3-C, 23-A, 23-H, 30, 37, 38-B, 39-B, 40, 40-A, 40-B, 40-C. Iodine solutions (including U.S.P. and N.F. tinctures) 230 25, 25-A. Laboratory reagents (for sale) 811 3-A, 3-C, 30. Laboratory uses, general (own use only) 810 3-A, 3-C, 30. Lacquer thinners 042 1, 23-A. Liniments, U.S.P. or N.F 243 38-B. Lotions and creams (body, face, and hand) 113 23-A, 23-H, 31-A, 37, 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Medicinal chemicals (processing) 344 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. Miscellaneous chemicals (processing) 358 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 35-A. Miscellaneous products (processing) 359 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 35-A. Mouth washes 132 37, 38-B, 38-D, 38-F. Organo-silicone products 576 2-B, 3-A, 3-C, 30. Pectin (processing) 331 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 35-A. Perfume materials (processing) 352 1, 2-B, 3-A, 3-C, 13-A, 30. Perfumes and perfume tinctures 121 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Petroleum products 320 1, 2-B, 3-A, 3-C. Photoengraving dyes and solutions 481 1, 3-A, 3-C, 13-A, 30, 32. Photographic chemicals (processing) 353 1, 2-B, 3-A, 3-C, 13-A, 30. Photographic film and emulsions 031 1, 2-B, 3-A, 3-C, 13-A, 19, 30, 32. Pill and tablet manufacture 349 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 35-A, 38-B. Plastics, cellulose 021 1, 2-B, 3-A, 3-C, 13-A, 30. Plastics, non-cellulose (including resins) 022 1, 2-B, 3-A, 3-C, 13-A, 30. Polishes 051 1, 3-A, 3-C, 30. Preserving solutions 430 1, 3-A, 3-C, 13-A, 23-A, 30, 32, 37, 38-B, 44. Product development and pilot plant (own use only) 812 All formulas. Proprietary solvents 041 1, 3-A. Refrigerating uses 740 1, 3-A, 3-C, 23-A, 30. Resin coatings, natural 014 1, 23-A. Resin coatings, synthetic 012 1, 3-A, 3-C, 23-A, 30. Resins, synthetic 590 3-A, 3-C, 29, 30, 35-A. Room deodorants 470 3-A, 3-C, 37, 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Rosin (processing) 354 1, 3-A, 3-C, Rotogravure dyes and solutions 481 1, 3-A, 3-C, 13-A, 30, 32. Rubber (latex) (processing) 355 1, 3-A, 3-C. Rubber, synthetic 580 29, 32. Rubbing alcohol 220 23-H. Scientific instruments 710 1, 3-A, 3-C. Shampoos 141 1, 3-A, 3-C, 23-A, 31-A, 36, 38-B, 39-B, 40, 40-A, 40-B, 40-C. Shellac coatings 013 1, 23-A. Soaps, industrial 440 1, 3-A, 3-C, 23-A, 30. Soaps, toilet 142 1, 3-A, 3-C, 23-A, 30, 36, 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Sodium ethylate, anhydrous (restricted) 524 2-B. Sodium hydrosulfite (dehydration) 312 1, 2-B, 3-A, 3-C. Soldering flux 035 1, 3-A, 3-C, 23-A, 30. Solutions, miscellaneous 485 1, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A, 40-B, 40-C. Solvents and thinners (other than proprietary solvents or special industrial solvents) 042 1, 23-A, 30. Solvents, special (restricted sale) 043 1, 3-A, 3-C. Stains (wood) 053 1, 3-A, 3-C, 23-A, 30. Sterilizing solutions 430 1, 3-A, 3-C, 13-A, 23-A, 30, 32, 37, 38-B, 44. Theater sprays 470 3-A, 3-C, 37, 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Tobacco sprays and flavors 460 4. Toilet waters 122 38-B, 39-B, 39-C, 40, 40-A, 40-B, 40-C. Transparent sheetings 032 1, 2-B, 3-A, 3-C, 13-A, 23-A. Unclassified uses 2 900 1, 3-A, 3-C. Vaccine (processing) 343 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. Vinegar 511 18, 29, 35-A. Vitamins (processing) 342 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. Xanthates 573 1, 2-B, 29. Yeast (processing) 342 1, 2-B, 3-A, 3-C, 13-A, 23-A, 30, 32, 35-A. 1 2 [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-199, 50 FR 9183, Mar. 6, 1985; T.D. ATF-435, 66 FR 5475, Jan. 19, 2001; T.D. ATF-442, 66 FR 11854, Mar. 1, 2001; T.D. TTB-140, 81 FR 59463, Aug. 30, 2016] Subpart G—Denaturants Authorized for Denatured Spirits § 21.151 List of denaturants authorized for denatured spirits. Following is an alphabetical listing of denaturants authorized for use in denatured spirits: Denaturants Authorized for Completely Denatured Alcohol (C.D.A), Specially Denatured Alcohol (S.D.A.), and Specially Denatured Rum (S.D.R.) Acetaldehyde S.D.A. 29. Acetone, U.S.P S.D.A. 23-A, 23-H. Acetaldol C.D.A. 18. Alkylate C.D.A. 20. Almond oil, bitter, N.F.X S.D.A. 38-B. Alpha Terpineol S.D.A. 38-B. Ammonia, aqueous S.D.A. 36. Ammonia solution, strong, N.F S.D.A. 36. Anethole, N.F S.D.A. 38-B. Anise oil, N.F S.D.A. 38-B. Bay oil (myrcia oil), N.F.XI S.D.A. 38-B, 39-D. Benzaldehyde, N.F S.D.A. 38-B. Bergamot oil, N.F.XI S.D.A. 38-B. Boric acid, N.F S.D.A. 38-F. Brucine alkaloid S.D.A. 40. Brucine sulfate, N.F.IX S.D.A. 40. n S.D.A. 44. tert S.D.A. 39-B, 40, 40-A, 40-B, 40-C. Camphor, U.S.P S.D.A. 38-B. Caustic soda, liquid S.D.A. 36. Cedar leaf oil, U.S.P.XIII S.D.A. 38-B. Chlorothymol, N.F.XII S.D.A. 38-B, 38-F. Cinnamic aldehyde (cinnamaldehyde), N.F.IX S.D.A. 38-B. Cinnamon oil, N.F S.D.A. 38-B. Citronella oil, natural S.D.A. 38-B. Clove oil, N.F S.D.A. 38-B. Coal tar, U.S.P S.D.A. 38-B. Cornmint oil S.D.A. 38-B. Cyclohexane S.D.A. 3-A. Denatonium benzoate, N.F. S.D.A. 1, 40-B. Diethyl phthalate S.D.A. 39-B, 39-C. Distilled lime oil S.D.A. 38-B. Ethyl acetate C.D.A. 35; S.D.A. 29, 35-A. Ethyl ether S.D.A. 13-A, 19, 32. Ethyl tertiary butyl ether C.D.A. 20. Eucalyptol, N.F.XII S.D.A. 37, 38-B. Eucalyptus oil, N.F S.D.A. 38-B. Eugenol, U.S.P S.D.A. 38-B. Formaldehyde solution, U.S.P S.D.A. 38-D. Gasoline C.D.A. 18, 19; S.D.A. 28-A. Gasoline, unleaded C.D.A. 18, 19, 20; S.D.A 28-A. Glycerin (Glycerol), U.S.P S.D.A. 31-A. Guaiacol, N.F.X S.D.A. 38-B. Heptane C.D.A. 18, 19; S.D.A. 2-B, 28-A. Hexane S.D.A. 2-B. n S.D.A. 2-B. High octane denaturant blend C.D.A. 20. Hydrochloric acid, N.F S.D.A. 38-F. Iodine, U.S.P S.D.A. 25, 25-A. Isopropyl alcohol S.D.A. 3-C. Kerosene C.D.A. 18, 19, 20. Kerosene (deodorized) C.D.A. 18, 19, 20. L(-)-Carvone S.D.A. 38-B. Lavender oil, N.F S.D.A. 38-B. Lemon oil S.D.A. 38-B. Menthol, U.S.P S.D.A. 37, 38-B, 38-D, 38-F. Methyl alcohol S.D.A. 1, 3-A, 30. Methylene blue, U.S.P S.D.A. 4; S.D.R. 4. Methyl isobutyl ketone C.D.A. 18, 19; S.D.A. 1, 23-H. Methyl n C.D.A. 18, 19; S.D.A. 1. Methyl salicylate, N.F S.D.A. 38-B Methyl tertiary butyl ether C.D.A. 20. Mustard oil, volatile (allyl isothiocyanate), U.S.P.XII S.D.A. 38-B. Naphtha C.D.A. 20. Natural gasoline C.D.A. 20. Nicotine solution S.D.A. 4; S.D.R. 4. Nitropropane, mixed isomers of C.D.A. 18, 19; S.D.A. 1. Peppermint oil, N.F S.D.A. 38-B. Peppermint oil, terpeneless S.D.A. 38-B. Phenol, U.S.P S.D.A. 38-B. Phenyl salicylate (salol), N.F.XI S.D.A. 38-B. Pine needle oil, dwarf, N.F. S.D.A. 38-B. Pine oil, N.F. S.D.A. 38-B. Poloxamer 407, N.F. S.D.A. 38-F. Polysorbate 80, N.F S.D.A. 38-F. Potassium hydroxide S.D.A. 36. Potassium iodide, U.S.P S.D.A. 25, 25-A. Pyronate C.D.A. 18. Quassin S.D.A. 40. Quinine bisulfate, N.F.XI S.D.A. 39-D. Quinine sulfate, U.S.P S.D.A. 39-D. Raffinate C.D.A. 20. Rosemary oil, N.F. XII S.D.A. 38-B. Rubber hydrocarbon solvent C.D.A. 18, 19, 20; S.D.A. 2-B, 28-A. Safrole S.D.A. 38-B. Sassafras oil, N.F.XI S.D.A. 38-B. Shellac (refined) S.D.A. 45. Soap, hard, N.F.XI S.D.A. 31-A. Sodium iodide, U.S.P S.D.A. 25, 25-A. Sodium salicylate, U.S.P S.D.A. 39-D. Spearmint oil, N.F S.D.A. 38-B. Spearmint oil, terpeneless S.D.A. 38-B. Spike lavender oil, natural S.D.A. 38-B. Storax, U.S.P S.D.A. 38-B. Straight run gasoline C.D.A. 20. Sucrose octaacetate S.D.A. 40-A. Thyme oil, N.F.XII S.D.A. 38-B. Thymol, N.F S.D.A. 37, 38-B, 38-F. Tolu balsam, U.S.P S.D.A. 38-B. Toluene C.D.A. 12-A; S.D.A. 2-B. Turpentine oil, N.F.XI S.D.A. 38-B. Vinegar S.D.A. 18. Zinc chloride, U.S.P S.D.A. 38-F. [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001; T.D. TTB-140, 81 FR 59463, Aug. 30, 2016; T.D. TTB-196, 89 FR 87940, Nov. 6, 2024] Subpart H—Weights and Specific Gravities of Specially Denatured Alcohol § 21.161 Weights and specific gravities of specially denatured alcohol. The weight of one gallon of each formula of specially denatured alcohol at 15.56 °C. (60 °F.) is as listed in this section. The specific gravity of each formula of specially denatured alcohol at 15.56 °C./15.56 °C. (60 °F./60 °F.) in air is as listed in this section. (Weight of 1 gallon of water at 15.56 °C. (60 °F.) is 8.32823 pounds in air.) Weights and Specific Gravities of Specially Denatured Alcohol 1 [Slight deviations from this table may occur due to variations in specific gravities of authorized denaturants. Values for 190 proof determined experimentally in air. Other values calculated from these gravities.] S.D.A. Formula No. Finished formula (gals) 190 proof 192 proof 200 proof Wt./gal. in air (lbs) Sp. gr. in air Wt./gal. in air (lbs) Sp. gr. in air Wt./gal. in air (lbs) Sp. gr. in air 1 104.0 6.788 0.8151 6.756 0.8112 6.611 0.7938 2-B 100.5 6.795 .8159 6.762 .8119 6.612 .7939 3-A 105.0 6.787 .8149 6.755 .8111 6.611 .7938 3-C 105.0 6.784 .8146 6.752 .8107 6.608 .7935 4 100.8 6.823 .8193 6.791 .8154 6.640 .7973 13-A 109.7 6.740 .8093 6.710 .8057 6.572 .7891 18 195.4 7.802 .9368 7.785 .9348 7.708 .9255 19 197.9 6.468 .7766 6.452 .7747 6.375 .7655 23-A 107.9 6.788 .8151 6.758 .8115 6.619 .7948 23-H 109.45 6.785 .8147 6.755 .8111 6.617 .7945 25 100.9 7.080 .8501 7.047 .8462 6.897 .8282 25 2 100.9 7.083 .8505 7.050 .8465 6.900 .8285 25-A 102.5 7.119 .8548 7.087 .8510 6.939 .8332 25-A 2 102.5 7.117 .8546 7.085 .8507 6.938 .8331 28-A 101.0 6.786 .8148 6.753 .8109 6.603 .7929 29 100.76 6.808 .8175 6.775 .8135 6.624 .7954 30 110.0 6.785 .8147 6.755 .8111 6.617 .7945 31-A 111.5 7.167 .8606 7.138 .8571 7.002 .8408 32 104.8 6.769 .8128 6.737 .8089 6.593 .7916 35-A 3 105.0 6.817 .8185 6.785 .8147 6.641 .7974 35-A 4 104.25 6.826 .8196 6.794 .8158 6.649 .7984 36 102.7 6.837 .8209 6.804 .8170 6.657 .7993 37 100.9 6.794 .8158 6.762 .8119 6.612 .7939 38-B 101.3 6.804 .8170 6.772 .8131 6.622 .7951 38-D 102.7 6.863 .8241 6.830 .8201 6.682 .8023 38-F 100.9 6.828 .8199 6.796 .8160 6.646 .7980 39-B 102.7 6.857 .8233 6.825 .8195 6.677 .8017 39-C 101.0 6.819 .8188 6.792 .8155 6.642 .7975 39-D 101.3 6.819 .8188 6.787 .8149 6.637 .7969 40 100.1 6.795 .8159 6.762 .8119 6.611 .7938 40-A 100.2 6.798 .8163 6.765 .8123 6.613 .7941 40-B 100.1 6.794 .8158 6.761 .8118 6.610 .7937 40-C 103.0 6.788 .8151 6.756 .8112 6.609 .7936 44 110.0 6.790 .8153 6.760 .8117 6.622 .7951 45 129.8 7.545 .9060 7.520 .9030 7.403 .8889 1 2 3 4 [T.D. ATF-133, 48 FR 24673, June 2, 1983, as amended by T.D. TTB-140, 81 FR 59463, Aug. 30, 2016]