Federal regulations · Through 2026-08-25 · Newer source version available

27 CFR 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-Butyl alcohol S.D.A. 44.
tert-Butyl alcohol 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-Hexane 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-butyl ketone 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.

Where this section sits in the code

Title 27—Alcohol, Tobacco Products and Firearms
CHAPTER I—ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY
SUBCHAPTER A—ALCOHOL
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart G—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-Butyl alcohol S.D.A. 44.

tert-Butyl alcohol 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-Hexane 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-butyl ketone 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.

Collected 2026-08-27T02:25:11Z. Source file · JSON

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