3019. p-Dibromobenzene

Nomenclature

CAS number: 106-37-6
C6H4Br2; mol wt 235.90.
C 30.55%, H 1.71%, Br 67.74%.

Description and references

Prepn from diazotized p-bromoaniline: Fry, Grote, J. Am. Chem. Soc. 48, 710 (1926); by catalytic bromination of bromobenzene: Ferguson et al., ibid. 76, 1250 (1954).

Chemical structure

Properties

Crystals, mp 87.31°. bp 220.40°. d99.6 0.9641. nD99.3 1.5743. Practically insol in water; sol in about 70 parts alcohol; sol in benzene, chloroform; very sol in ether.