1430. p-Bromophenyl Isocyanate

Nomenclature

CAS number: 2493-02-9
1-Bromo-4-isocyanatobenzene; 4-bromophenylcarbimide; p-bromophenylcarbonimide; p-bromocarbanil.
C7H4BrNO; mol wt 198.02.
C 42.46%, H 2.04%, Br 40.35%, N 7.07%, O 8.08%.

Description and references

Prepd by heating phenyl isocyanate dibromide: Curtius, J. Prakt. Chem. 87, 517 (1913); by distilling p-bromophenylurethan and P2O5: Dennstedt, Ber. 13, 228 (1880).

Chemical structure

Properties

Needles, pungent odor, mp 42°. bp14 158°. Very sol in ether.

Use

Prepn of bromophenylurea and urethan derivatives.