Chromium(II) bromide

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Chromium(II) bromide
Identifiers
CAS number 10049-25-9
PubChem 21908600
ChemSpider 9249842
Jmol-3D images Image 1
Properties
Molecular formula Br2Cr
Molar mass 211.80 g mol−1
Appearance White crystalline solid; yellow when heated, oxidizes in moist air, stable in dry air[1]
Density 4.236 g/cm3[1]
Melting point 842 °C (1,548 °F; 1,115 K)[1]
Solubility in water soluble, exothermal blue solution[1]
Structure
Crystal structure monoclinic[1]
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
Infobox references

Chromium(II) bromide is an inorganic compound with the chemical formula CrBr2.

Synthesis[edit]

CrBr3 is reduced to CrBr2 by exposing CrBr3 to hydrogen gas for 6–10 hours at 350-400 °C, yielding CrBr2 and hydrobromic acid.[2]

References[edit]

  1. ^ a b c d e Perry, Dale L. (2011). Handbook of Inorganic Compounds, Second Edition. Boca Raton, Florida: CRC Press. p. 120. ISBN 978-1-43981462-8. Retrieved 2014-01-10. 
  2. ^ Brauer, Georg (1965) [1962]. Handbuch Der Präparativen Anorganischen Chemie [Handbook of Preparative Inorganic Chemistry] (in German) 2. Stuttgart; New York, New York: Ferdinand Enke Verlag; Academic Press, Inc. p. 1341. ISBN 978-0-32316129-9. Retrieved 2014-01-10.