1429. p-Bromophenylhydrazine

Nomenclature

CAS number: 589-21-9
C6H7BrN2; mol wt 187.04.
C 38.53%, H 3.77%, Br 42.72%, N 14.98%.

Description and references

Prepn from 4-bromophenyldiazonium chloride by modified Fischer phenylhydrazine synthesis: Chattaway, Humphrey, J. Chem. Soc. 1927, 1323.

Chemical structure

Properties

Needles from water, mp 108-109°. Sol in alcohol, ether, chloroform, benzene; moderately sol in ligroin; slightly sol in water.

Use

In prepn of indoleacetic acid derivatives; in the study of transosazonation of sugar phenylosazones.