![]() α-Tungsten hexachloride
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![]() β-Tungsten hexachloride
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Names | |||
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IUPAC names
Tungsten hexachloride
Tungsten(VI) chloride | |||
Identifiers | |||
3D model (JSmol)
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ECHA InfoCard | 100.032.980 | ||
EC Number |
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PubChem CID
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RTECS number |
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UNII | |||
CompTox Dashboard (EPA)
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Properties | |||
WCl6 | |||
Molar mass | 396.54 g·mol−1 | ||
Appearance | dark blue crystals, moisture sensitive | ||
Density | 3.52 g/cm3 | ||
Melting point | 275 °C (527 °F; 548 K) | ||
Boiling point | 346.7 °C (656.1 °F; 619.8 K) | ||
Hydrolyzes | |||
Solubility in chlorocarbons | soluble | ||
−71.0·10−6 cm3/mol | |||
Structure | |||
α:rhombohedral, β: hexagonal | |||
Octahedral | |||
0 D | |||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards
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oxidizer; hydrolysis releases HCl | ||
Related compounds | |||
Other anions
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Related compounds
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Tungsten hexachloride is an inorganic chemical compound of tungsten and chlorine with the chemical formula WCl6. This dark violet-blue compound exists as volatile crystals under standard conditions. It is an important starting reagent in the preparation of tungsten compounds.[1] Other examples of charge-neutral hexachlorides are rhenium(VI) chloride and molybdenum(VI) chloride. The highly volatile tungsten hexafluoride is also known.
As a d0 atom, tungsten hexachloride is diamagnetic.