Tungsten trisulfide is an inorganic compoundoftungsten and sulfur with the chemical formula WS3.[1][2] The compound looks like chocolate-brown powder.[3][4]
Names | |
---|---|
Other names
Tungsten(VI) sulphide, tris(sulfanylidene)tungsten | |
Identifiers | |
3D model (JSmol) |
|
ChemSpider | |
EC Number |
|
PubChem CID |
|
| |
| |
Properties | |
WS3 | |
Molar mass | 280.038 g/mol |
Appearance | Brown solid |
Related compounds | |
Related compounds |
Tungsten disulfide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Slightly soluble in cold water and forms colloidal solution in hot water.
Soluble in alkali metal carbonates and alkali metal hydroxides.[3]
Tungsten trisulfide can be decomposed by heating into tungsten disulfide and elemental sulfur:
Reacts with sulfide solutions:
Reduced by hydrogen: