Title: Dibromsalicil
CAS Registry Number: 523-88-6
CAS Name: Bis(5-bromo-2-hydroxyphenyl)ethanedione
Additional Names: 5,5¢-dibromosalicil; DBS; 5,5¢-dibromo-2,2¢-dihydroxybenzil; 5,5¢-dibromo-2,2¢-dihydroxybibenzoyl
Trademarks: Dibrosal
Molecular Formula: C14H8Br2O4
Molecular Weight: 400.02
Percent Composition: C 42.04%, H 2.02%, Br 39.95%, O 16.00%
Literature References: Prepd by heating dibromodimethoxybenzil in nitrobenzene in the presence of aluminum chloride: Kuhn et al., Ber. 76, 900 (1943).
Properties: Flexible, lemon-colored needles or yellow powder from glacial acetic acid. Odorless, tasteless. mp 212-213°. Practically insol in water. Freely sol in alcohol, benzene. Sol in acetone, ether. Sol in dil NaOH yielding solns of an intense deep yellow color.
Melting point: mp 212-213°
Use: Antiseptic, germicide.
Status: This monograph has been retired and is no longer subject to revision or update.

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