Chromium(II) bromide
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| Chromium(II) bromide | ||
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| IUPAC name Chromium(II) bromide | ||
| Other names Chromium dibromide, Chromium bromide, Chromous bromide | ||
| Identifiers | ||
| CAS number | 10049-25-9 | |
| PubChem | 21908600 | |
| ChemSpider | 9249842 | |
| Jmol-3D images | {{#if:[Cr+2].[Br-].[Br-]|Image 1 | |
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| 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] | |
| 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
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
- ↑ 1.0 1.1 1.2 1.3 1.4 Perry, Dale L. (2011). Handbook of Inorganic Compounds, Second Edition. Boca Raton, Florida: CRC Press. p. 120. ISBN 978-1-43981462-8. Retrieved 10-01-2014.
- ↑ 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 01-10-2014.
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