Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
|
| gptkbp:appearance |
dark gray powder
|
| gptkbp:bandGap |
1.35 eV (bulk)
2.1 eV (monolayer) |
| gptkbp:CASNumber |
12138-09-9
|
| gptkbp:chemicalFormula |
WS2
|
| gptkbp:color |
gray
|
| gptkbp:containsElement |
gptkb:sulfur
tungsten |
| gptkbp:crystalSystem |
hexagonal
|
| gptkbp:density |
7.5 g/cm³
|
| gptkbp:discoveredBy |
Alfred Des Cloizeaux
|
| gptkbp:discoveredIn |
1846
|
| gptkbp:EC_number |
235-243-3
|
| https://www.w3.org/2000/01/rdf-schema#label |
tungsten disulfide
|
| gptkbp:IUPACName |
gptkb:tungsten_disulfide
|
| gptkbp:meltingPoint |
>1250 °C (decomposes)
|
| gptkbp:molecularWeight |
247.97 g/mol
|
| gptkbp:primaryUse |
dry lubricant
lubricant additive solid lubricant |
| gptkbp:PubChem_CID |
14810
|
| gptkbp:relatedTo |
gptkb:molybdenum_disulfide
|
| gptkbp:solubility |
insoluble
|
| gptkbp:spaceGroup |
P63/mmc
|
| gptkbp:toxicity |
low
|
| gptkbp:UNII |
6Q8K6QF1ZV
|
| gptkbp:uses |
catalysis
semiconductor applications hydrodesulfurization catalyst |
| gptkbp:bfsParent |
gptkb:transition_metal_dichalcogenides
|
| gptkbp:bfsLayer |
8
|