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Electronic Code of Federal Regulations

e-CFR data is current as of April 8, 2020

Title 27Chapter ISubchapter APart 21Subpart E → §21.96


Title 27: Alcohol, Tobacco Products and Firearms
PART 21—FORMULAS FOR DENATURED ALCOHOL AND RUM
Subpart E—Specifications for Denaturants


§21.96   Ammonia, aqueous.

(a) Alkalinity. Strongly alkaline to litmus.

(b) Ammonia content. 27 to 30 percent by weight. Accurately weigh a glass-stoppered flask containing 25 mL of water, add about 2 mL of the sample, stopper, and weigh again. Add methyl red indicator, and titrate with 1 N sulfuric acid. Each mL of 1 N sulfuric acid is equivalent to 17.03 mg of NH3

(c) Color. Colorless liquid.

(d) Non-volatile residue. 2 mg maximum. Dilute a portion of the sample with 112 times its volume of distilled water. Evaporate 10 mL of this product to dryness in a tared platinum or porcelain dish. Dry residue at 105 °C. for 1 hour, cool and weigh.

(e) Odor. Characteristic (exceedingly pungent).

(f) Specific gravity at 20 °/4 °C. 0.8920 to 0.9010.

[T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]

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