2629. Cupric Bromide

Nomenclature

CAS number: 7789-45-9
Br2Cu; mol wt 223.35.
Br 71.55%, Cu 28.45%.
CuBr2.

Description and references

Prepn: Watt et al., J. Am. Chem. Soc. 77, 2752 (1955); Glemser, Sauer in Handbook of Preparative Inorganic Chemistry vol. 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) p 1009.

Properties

Almost black, iodine-like, deliquesc monoclinic crystals or cryst powder. mp 498°; bp 900°; d420 4.710. Very sol in water; sol in alcohol, acetone, ammonia; practically insol in benzene, ether, concd H2SO4. Keep well closed.

Use

As intensifier in photography; as brominating agent in organic synthesis; as humidity indicator; as wood preservative; in solid-electrolyte battery; as stabilizer for acetylated polyformaldehyde.