Title: p-Bromophenylhydrazine
CAS Registry Number: 589-21-9
Molecular Formula: C6H7BrN2
Molecular Weight: 187.04
Percent Composition: C 38.53%, H 3.77%, Br 42.72%, N 14.98%
Literature References: Prepn from 4-bromophenyldiazonium chloride by modified Fischer phenylhydrazine synthesis: Chattaway, Humphrey, J. Chem. Soc. 1927, 1323.
Properties: Needles from water, mp 108-109°. Sol in alcohol, ether, chloroform, benzene; moderately sol in ligroin; slightly sol in water.
Melting point: mp 108-109°
Use: In prepn of indoleacetic acid derivatives; in the study of transosazonation of sugar phenylosazones.

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