2243. Chromous Bromide

Nomenclature

CAS number: 10049-25-9
Br2Cr; mol wt 211.80.
Br 75.45%, Cr 24.55%.
CrBr2.

Description and references

Prepn: Hein, Herzog in Handbook of Preparative Inorganic Chemistry Vol. 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed. 1965) p 1340. Review of chromium halides: Fergusson in Halogen Chemistry Vol. 3, V. Gutmann, Ed. (Academic Press, New York, 1967) pp 227-302.

Properties

White monoclinic crystals, becoming yellow when heated. mp 842°; d425 4.236. Stable in dry air, oxidizes in moist air. Sol in water (exothermic) giving blue soln; sol in alcohol. Keep well closed.

Use

In chromizing.