CFR > Title 27 - Alcohol, Tobacco Products and Firearms > CHAPTER I—ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY > SUBCHAPTER A—LIQUORS (parts 1 to 31) > PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM > SUBPART E—Specifications for Denaturants (§21.91 to §21.133) > 21.93—Acetaldehyde.

21.93—Acetaldehyde.

(a) Aldehyde content (as acetaldehyde). Not less than 95.0 percent by weight.
(b) Color. Colorless.
(c) Odor. Characteristic pungent, fruity odor.
(d) Specific gravity at 15.56 °/15.56 °C. Not less than 0.7800.