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204781

Sigma-Aldrich

Tungsten(VI) oxide

powder, 99.995% trace metals basis

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Synonym(s):
Tungstic anhydride
Linear Formula:
WO3
CAS Number:
Molecular Weight:
231.84
EC Number:
MDL number:
eCl@ss:
38180904
PubChem Substance ID:
NACRES:
NA.23

Quality Level

assay

99.995% trace metals basis

form

powder

density

7.16 g/mL at 25 °C (lit.)

SMILES string

O=[W](=O)=O

InChI

1S/3O.W

InChI key

ZNOKGRXACCSDPY-UHFFFAOYSA-N

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This Item
95410232785472956
Tungsten(VI) oxide powder, 99.995% trace metals basis

204781

Tungsten(VI) oxide

Tungsten(VI) oxide powder, puriss., 99.9%

95410

Tungsten(VI) oxide

Tungsten(VI) oxide powder, ≤25 μm, ≥99% trace metals basis

232785

Tungsten(VI) oxide

Tungsten hexacarbonyl 99.99% trace metals basis (excluding Mo), purified by sublimation

472956

Tungsten hexacarbonyl

assay

99.995% trace metals basis

assay

99.9%

assay

≥99% trace metals basis

assay

99.99% trace metals basis (excluding Mo)

density

7.16 g/mL at 25 °C (lit.)

density

7.16 g/mL at 25 °C (lit.)

density

7.16 g/mL at 25 °C (lit.)

density

2.65 g/mL at 25 °C (lit.)

General description

Tungsten(VI) oxide is an n-type oxygen deficient semiconducting metal oxide widely used to fabricate gas sensing devices.

It can also be used to prepare double perovskite materials for variousapplications.

Storage Class

11 - Combustible Solids

wgk_germany

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Franco Dinelli et al.
Nanomaterials (Basel, Switzerland), 10(12) (2020-12-17)
In this paper, we present a study of tungsten disulfide (WS2) two-dimensional (2D) crystals, grown on epitaxial Graphene. In particular, we have employed scanning electron microscopy (SEM) and µRaman spectroscopy combined with multifunctional scanning probe microscopy (SPM), operating in peak

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