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Title 27: Alcohol, Tobacco Products and Firearms
CHAPTER I: ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY
SUBCHAPTER A: LIQUORS
PART 19: DISTILLED SPIRITS PLANTS
Subpart N: Denaturing Operations and Manufacture of Articles
: Denaturation
19.460 - Conversion of denatured alcohol formulas.
(a) Conversion of Formula No. 1. Any specially denatured alcohol, except Formulas No. 3-A and No. 30, may be converted into specially denatured alcohol, Formula No. 1, by the addition of methyl alcohol and either denatonium benzoate, N.F., methyl isobutyl ketone, mixed isomers of nitropropane, or methyl n-butyl ketone in accordance with the formulation prescribed in ? 21.32 of this chapter. For specially denatured alcohol Formulas No. 3-A and No. 30, the methyl alcohol content shall be reduced to the level prescribed for specially denatured alcohol Formula No. 1 by the addition of ethyl alcohol before adding one of the other ingredients prescribed in ? 21.32 of this chapter.
(b) Conversion to Formula No. 29. Any specially denatured alcohol may be converted to specially denatured alcohol, Formula No. 29, by the addition of acetaldehyde or ethyl acetate, in accordance with the formulations prescribed in 27 CFR 21.56.
(c) General rule. In addition to the conversions provided in paragraphs (a) and (b) of this section, any specially denatured alcohol may be converted to another specially denatured alcohol formula, if the resultant alcohol-denaturant mixture contains only the alcohol and denaturant or denaturants in the proportions authorized in 27 CFR part 21 for the formula to which converted. Specially denatured alcohol which is converted under this paragraph may only be used as authorized in 27 CFR part 21 for the formula to which converted.
(d) Conditions governing conversion and use. The quantities of denaturants required for conversions authorized in paragraphs (a), (b) and (c) of this section shall be determined on the basis of the alcohol in the formulations. Specially denatured alcohol converted to Formula No. 29 may be used as authorized in 27 CFR 21.56(b) except that it shall not be used in the manufacture of vinegar, drugs, or medicinal chemicals, and the conditions governing use provided in 27 CFR 21.56(c) shall apply.
(e) Conversion to other formulations. Proprietors desiring to convert specially denatured alcohol other than as provided in paragraphs (a), (b), and (c) of this section shall obtain approval from the appropriate TTB officer prior to such conversion.
(f) Conversion to completely denatured alcohol. Any specially denatured alcohol not containing methanol or wood alcohol may be converted to any one of the completely denatured alcohol formulas, prescribed in 27 CFR part 21, by adding the required denaturants.
(Sec. 201, Pub. L. 85-859, 72 Stat. 1369, as amended (26 U.S.C. 5242))
[T.D. ATF-198, 50 FR 8464, Mar. 1, 1985, as amended by T.D. ATF-199, 50 FR 9160, Mar. 6, 1985; T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]
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