Title: Chromous Bromide
CAS Registry Number: 10049-25-9
Molecular Formula: Br2Cr
Molecular Weight: 211.80
Percent Composition: Br 75.45%, Cr 24.55%
Line Formula: CrBr2
Literature 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.
Melting point: mp 842°
Density: d425 4.236
Use: In chromizing. |