27 CFR 21.122 - Potassium Hydroxide.

Regulations last checked for updates: May 05, 2025

Title 27 - Alcohol, Tobacco Products and Firearms last revised: Mar 20, 2025

§ 21.122 - Potassium Hydroxide.

(a) Color. White or yellow.

(b) Specific gravity at 20 °C. 1.95 to 2.10.

(d) Boiling point. 1320 °C.

(e) pH (0.1M solution). 13.5.

[T.D. TTB-140, 81 FR 59462, Aug. 30, 2016]

authority: 5 U.S.C. 552(a); 26 U.S.C. 5242,7805

source: T.D. ATF-133, 48 FR 24673, June 2, 1983, unless otherwise noted.

cite as: 27 CFR 21.122