Alcohol and Tobacco Tax and Trade Bureau, Treasury § 21.151

Subpart G—Denaturants DENATURANTS AUTHORIZED FOR COMPLETELY Authorized for Denatured Spirits DENATURED ALCOHOL (C.D.A), SPECIALLY DENATURED ALCOHOL (S.D.A.), AND SPE- § 21.151 List of denaturants authorized CIALLY DENATURED RUM (S.D.R.)—Contin- for denatured spirits. ued Following is an alphabetical listing Mercuric iodide, red, N.F.XI ...... S.D.A. 42. Methyl alcohol ...... S.D.A. 1, 3ÐA, 30. of denaturants authorized for use in de- Methylene blue, U.S.P ...... S.D.A. 4; S.D.R. 4. natured spirits: Methyl isobutyl ketone ...... C.D.A. 18, 19; S.D.A. 1, 23ÐH. DENATURANTS AUTHORIZED FOR COMPLETELY Methyl n-butyl ketone ...... C.D.A. 18, 19; S.D.A. 1. DENATURED ALCOHOL (C.D.A), SPECIALLY Methyl salicylate, N.F ...... S.D.A. 38ÐB, 46. DENATURED ALCOHOL (S.D.A.), AND SPE- Mustard oil, volatile (allyl S.D.A. 38ÐB. isothiocyanate), U.S.P.XII. CIALLY DENATURED RUM (S.D.R.) Nicotine solution ...... S.D.A. 4; S.D.R. 4. Acetaldehyde ...... S.D.A. 29. Nitropropane, mixed isomers of C.D.A. 18, 19; S.D.A. 1. Acetone, U.S.P ...... S.D.A. 23ÐA, 23ÐH. Acetaldol ...... C.D.A. 18. Peppermint oil, N.F ...... S.D.A. 38ÐB. Almond oil, bitter, N.F.X ...... S.D.A. 38ÐB. Phenol, U.S.P ...... S.D.A. 38ÐB, 46. Alpha Terpineol ...... S.D.A. 38ÐB. Phenyl mercuric benzoate ...... S.D.A. 42. Ammonia, aqueous ...... S.D.A. 36. Phenyl mercuric chloride, N.F.IX S.D.A. 42. Ammonia solution, strong, N.F ... S.D.A. 36. Phenyl mercuric nitrate, N.F ...... S.D.A. 42. Anethole, N.F ...... S.D.A. 38ÐB. Phenyl salicylate (salol), N.F.XI S.D.A. 38ÐB. Anise oil, N.F ...... S.D.A. 38ÐB. Pine needle oil, dwarf, N.F...... S.D.A. 38ÐB. Bay oil (myrcia oil), N.F.XI ...... S.D.A. 23ÐF, 38ÐB, 39ÐD. Benzaldehyde, N.F ...... S.D.A. 38ÐB. Pine oil, N.F...... S.D.A. 38ÐB. Benzene ...... S.D.A. 2ÐB, 2ÐC, 12ÐA. Pine tar, U.S.P ...... S.D.A. 3ÐB. Bergamot oil, N.F.XI ...... S.D.A. 23ÐF. 38ÐB. Polysorbate 80, N.F ...... S.D.A. 38ÐF. Bone oil (Dipple’s oil) ...... S.D.A. 17. Potassium iodide, U.S.P ...... S.D.A. 25, 25ÐA, 42. Boric acid, N.F ...... S.D.A. 38ÐF. Pyridine bases ...... S.D.A. 6ÐB. Brucine alkaloid ...... S.D.A. 40. Pyronate ...... C.D.A. 18. Brucine sulfate, N.F.IX ...... S.D.A. 40. Quassia, fluid extract, N.F.VII .... S.D.A. 39. n-Butyl alcohol ...... S.D.A. 44. tert-Butyl alcohol ...... S.D.A. 39, 39ÐA, 39ÐB, Quassin ...... S.D.A. 40. 40, 40ÐA, 40ÐB, 40ÐC. Quinine, N.F.X ...... S.D.A. 39ÐA. Camphor, U.S.P ...... S.D.A. 27, 27ÐA, 38ÐB. Quinine bisulfate, N.F.XI ...... S.D.A. 39ÐA, 39ÐD. Caustic soda, liquid ...... S.D.A. 36. Quinine dihydrochloride, N.F.XI S.D.A. 39ÐA. Cedar leaf oil, U.S.P.XIII ...... S.D.A. 38ÐB. Quinine sulfate, U.S.P ...... S.D.A. 39ÐD. Chloroform ...... S.D.A. 20. Resorcinol (Resorcin), U.S.P ..... S.D.A. 23ÐF. Chlorothymol, N.F.XII ...... S.D.A. 38ÐB, 38ÐF. Rosemary oil, N.F. XII ...... S.D.A. 27, 38ÐB. Cinchonidine ...... S.D.A. 39ÐA. Cinchonidine sulfate, N.F.IX ...... S.D.A. 39ÐA. Rubber hydrocarbon solvent ...... C.D.A. 18, 19, 20; S.D.A. Cinnamic aldehyde S.D.A. 38ÐB. 2ÐB, 2ÐC, 28ÐA. (cinnamaldehyde), N.F.IX. Safrole ...... S.D.A. 38ÐB. Cinnamon oil, N.F ...... S.D.A. 38ÐB. Salicylic acid, U.S.P ...... S.D.A. 23ÐF, 39. Citronella oil, natural ...... S.D.A. 38ÐB. Sassafras oil, N.F.XI ...... S.D.A. 38ÐB. Clove oil, N.F ...... S.D.A. 27ÐA, 38ÐB. Shellac (refined) ...... S.D.A. 45. Coal tar, U.S.P ...... S.D.A. 38ÐB. Soap, hard, N.F.XI ...... S.D.A. 31ÐA. Denatonium benzoate, N.F...... S.D.A. 1, 40ÐB. Sodium iodide, U.S.P ...... S.D.A. 25, 25ÐA. Diethyl phthalate ...... S.D.A. 39ÐB, 39ÐC. Ethyl acetate ...... S.D.A. 29, 35, 35ÐA. Sodium, metallic ...... S.D.A. 2ÐC. Ethyl ether ...... S.D.A. 13ÐA, 19, 32. Sodium salicylate, U.S.P ...... S.D.A. 39, 39ÐD. Eucalyptol, N.F.XII ...... S.D.A. 37, 38ÐB. Spearmint oil, N.F ...... S.D.A. 38ÐB. Eucalyptus oil, N.F ...... S.D.A. 38ÐB. Spearmint oil, terpeneless ...... S.D.A. 38ÐB. Eugenol, U.S.P ...... S.D.A. 38ÐB. Spike lavender oil, natural ...... S.D.A. 38ÐB. Formaldehyde solution, U.S.P .... S.D.A. 22, 38ÐC, 38ÐD. Storax, U.S.P ...... S.D.A. 38ÐB. Gasoline ...... C.D.A. 18, 19; S.D.A. 28Ð Sucrose octaacetate ...... S.D.A. 40ÐA. A. Thimerosal, U.S.P ...... S.D.A. 42. Gasoline, unleaded ...... C.D.A. 18, 19, 20; S.D.A 28ÐA. Thyme oil, N.F.XII ...... S.D.A. 38ÐB. Gentian violet ...... S.D.A. 33. Thymol, N.F ...... S.D.A. 37, 38ÐB, 38ÐF. Gentian violet, U.S.P ...... S.D.A. 33. Tolu balsam, U.S.P ...... S.D.A. 38ÐB. Glycerin (Glycerol), U.S.P ...... S.D.A. 31ÐA. Toluene ...... S.D.A. 2ÐB, 2ÐC, 12ÐA. Green soap, U.S.P ...... S.D.A. 27ÐB. Turpentine oil, N.F.XI ...... S.D.A. 38ÐB. Guaiacol, N.F.X ...... S.D.A. 38ÐB. Vinegar ...... S.D.A. 18. Heptane ...... C.D.A. 18, 19; S.D.A. 2ÐB, Zinc chloride, U.S.P ...... S.D.A. 38ÐF. 28ÐA. Hydrochloric acid, N.F ...... S.D.A. 38ÐF. Iodine, U.S.P ...... S.D.A. 25, 25ÐA. [T.D. ATF–133, 48 FR 24673, June 2, 1983, as Isopropyl alcohol ...... S.D.A. 3ÐC. amended by T.D. ATF–442, 66 FR 12854, Mar. Kerosene ...... C.D.A. 18, 19, 20. 1, 2001] Kerosene (deodorized) ...... C.D.A. 18, 19, 20. Lavender oil, N.F ...... S.D.A. 27ÐB, 38ÐB. Menthol, U.S.P ...... S.D.A. 37, 38ÐB, 38ÐC, 38ÐD, 38ÐF.

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