CFR /  Title 27  /  Part 21  /  Sec. 21.121 Phenyl mercuric benzoate.

(a) Assay (as phenyl mercuric benzoate). Not less than 99.0 percent by weight.

(b) Melting point. Not less than 94 [deg]C. [T.D. ATF-133, 48 FR 24673, June 2, 1983. Redesignated by T.D. ATF-442, 66 FR 12854, Mar. 1, 2001]