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Tungsten silicide, 99.5% (metals basis), Thermo Scientific Chemicals

Product Code. 11377257
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Quantity:
10 g
50 g
This item is not returnable. View return policy
This item is not returnable. View return policy

Tungsten silicide is used in microelectronics as a contact material. It is also used as a shunt over polysilicon lines to increase their conductivity and increase signal speed. Further, it acts as a barrier layer between silicon and other metals. In addition to this, it is used in microelectro mechanical systems and for oxidation-resistant coatings. It is also employed as a replacement for earlier tungsten films.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 12039-88-2
Molecular Formula Si2W
Molecular Weight (g/mol) 240.01
MDL Number MFCD00049704
InChI Key WQJQOUPTWCFRMM-UHFFFAOYSA-N
Synonym tungsten disilicide, tungsten-silicide, tungsten silicide wsi2, tungsten silicide, w5si3
PubChem CID 16212546
IUPAC Name bis($l^{3}-silanylidyne)tungsten
SMILES [Si]#[W]#[Si]

Specifications

Melting Point 2165°C
Physical Form Powder
Quantity 10 g
Solubility Information Insoluble in water.
Formula Weight 240.02
Percent Purity 99.5%
Odor Odorless
Assay (metals basis)
Chemical Name or Material Tungsten silicide

RUO – Research Use Only

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