Chromium(II) bromide

Summary

Chromium(II) bromide
Names
IUPAC name
Chromium(II) bromide
Other names
Chromium dibromide, Chromium bromide, Chromous bromide
Identifiers
  • 10049-25-9 checkY
3D model (JSmol)
  • Interactive image
ChemSpider
  • 9249842
  • 21908600
UNII
  • 6S9M6JI7W3 checkY
  • DTXSID90619903 Edit this at Wikidata
  • InChI=1S/2BrH.Cr/h2*1H;/q;;+2/p-2
    Key: XZQOHYZUWTWZBL-UHFFFAOYSA-L
  • [Cr+2].[Br-].[Br-]
Properties
CrBr2
Molar mass 211.804 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]
soluble, exothermal blue solution[1]
Structure
monoclinic[1]
Except where otherwise noted, 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

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

  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.