| Identification | Back Directory | [Name]
TUNGSTEN SILICIDE | [CAS]
12039-88-2 | [Synonyms]
TUNGSTEN SILICIDE
TUNGSTEN DISILICIDE
TUNGSTEN SILICIDE (99.7%-W)
TUNGSTEN SILICIDE, -325 MESH
Tungsten silicide, 99.5% (metals basis)
TUNGSTEN SILICIDE, 99.995% (METALS BASIS EXCLUDING MO), MO <
Tungsten silicide, 99.995% (metals basis excluding Mo), Mo <20ppm | [EINECS(EC#)]
234-909-0 | [Molecular Formula]
Si2W | [MDL Number]
MFCD00049704 | [MOL File]
12039-88-2.mol | [Molecular Weight]
240.01 |
| Chemical Properties | Back Directory | [Appearance]
Blue-gray, very hard solid. Insoluble in water; attacked by fused
alkalies and mixture of nitric and hydrofluoric acids. | [Melting point ]
2165°C | [density ]
9,88 g/cm3 | [solubility ]
insoluble in H2O | [form ]
Powder | [color ]
blue-gray tetragonal crystals, crystalline | [Specific Gravity]
9.88 | [Resistivity]
33.4 (ρ/μΩ.cm) | [Water Solubility ]
Insoluble in water. | [Crystal Structure]
Tetragonal | [Hydrolytic Sensitivity]
2: reacts with aqueous acid | [Exposure limits]
ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3 | [Uses]
Oxidation-resistant coatings, electrical resistance
and refractory applications. | [CAS DataBase Reference]
12039-88-2 | [EPA Substance Registry System]
Tungsten silicide (WSi2) (12039-88-2) |
| Hazard Information | Back Directory | [Chemical Properties]
Blue-gray, very hard solid. Insoluble in water; attacked by fused
alkalies and mixture of nitric and hydrofluoric acids. | [Hazard]
Dust flammable. |
|
| Company Name: |
Alfa Aesar
|
| Tel: |
400-6106006 |
| Website: |
http://chemicals.thermofisher.cn |
|