Platinum (II) bromide
Crystal structure | ||||||||||||||||
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__ Pt 2+ __ Br - | ||||||||||||||||
General | ||||||||||||||||
Surname | Platinum (II) bromide | |||||||||||||||
other names |
Platinum dibromide |
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Ratio formula | PtBr 2 | |||||||||||||||
Brief description |
dark brown or dark green solid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 354.91 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
6.652 g cm −3 |
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Melting point |
250 (decomposition) ° C |
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solubility |
almost insoluble in water and ethanol |
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safety instructions | ||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Platinum (II) bromide is an inorganic chemical compound of platinum from the group of bromides .
Extraction and presentation
Platinum (II) bromide can be obtained by the thermal decomposition of platinum hydrobromic acid at 280 ° C.
properties
Platinum (II) bromide is a dark brown or dark green powder that is insoluble in water and ethanol . It has a hexagonal-rhombohedral crystal structure .
use
By reaction with bromine can platinum (II, IV) bromide are obtained.
Individual evidence
- ↑ a b c d e data sheet Platinum (II) bromide, 99.9% (metals basis), Pt 54.5% min from AlfaAesar, accessed on August 30, 2013 ( PDF )(JavaScript required) .
- ^ A b c Jean d'Ans, Ellen Lax, Roger Blachnik: Pocket book for chemists and physicists . Springer DE, 1998, ISBN 3-642-58842-5 , pp. 674 ( limited preview in Google Book search).
- ↑ a b c Georg Brauer (Ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1634.
- ↑ Georg Brauer (ed.) U. a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume III, Ferdinand Enke, Stuttgart 1981, ISBN 3-432-87823-0 , p. 1714.