Tungsten (III) iodide
General | ||||||||||
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Surname | Tungsten (III) iodide | |||||||||
other names |
Tungsten triiodide |
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Ratio formula | WI 3 | |||||||||
Brief description |
black solid |
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External identifiers / databases | ||||||||||
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properties | ||||||||||
Molar mass | 564.6 g mol −1 | |||||||||
Physical state |
firmly |
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solubility |
almost insoluble in water |
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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 . |
Tungsten (III) iodide is an inorganic chemical compound of tungsten from the group of iodides .
Extraction and presentation
Tungsten (III) iodide can be obtained by reacting tungsten hexacarbonyl with iodine at 120 ° C.
properties
Tungsten (III) iodide is a black solid that gives off iodine even at room temperature. It is less stable than molybdenum (III) iodide and soluble in acetone and nitrobenzene as well as slightly soluble in chloroform .
use
Tungsten (II) iodide can be obtained by decomposition .
Individual evidence
- ↑ a b c d e 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. 1564.
- ↑ WM Haynes (Ed.): CRC handbook of chemistry and physics. A ready-reference book of chemical and physical data . founded by David R. Lide. 93rd edition. CRC Press, Boca Raton 2012, ISBN 978-1-4398-8049-4 , pp. 4–96 (English, limited preview in Google Book Search).
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.