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Merck
CN

95410

Tungsten(VI) oxide

powder, puriss., 99.9%

Synonym(s):

Tungsten oxide, Tungsten trioxide, Tungstic oxide, Tungstic anhydride

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About This Item

Linear Formula:
WO3
CAS Number:
Molecular Weight:
231.84
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352303
EC Number:
215-231-4
MDL number:
eCl@ss:
38180904
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grade

puriss.

Quality Level

assay

99.9%

form

powder

reaction suitability

core: tungsten

density

7.16 g/mL at 25 °C (lit.)

SMILES string

O=[W](=O)=O

InChI

1S/3O.W

InChI key

ZNOKGRXACCSDPY-UHFFFAOYSA-N

General description

Tungsten(VI) oxide (WO3) is a semiconducting material with excellent electrochromic properties. It is a cost efficient material with a high optical modulation. It can be synthesized by a variety of methods which include chemical vapor deposition, electrodeposition, and other sol-gel based coating processes.

Application

WO3 can be used for a wide range of applications such as electrochemical devices, photocatalysis, biological sensors, and other display devices.

Disclaimer

may contain dark blue particles.


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Storage Class

13 - Non Combustible Solids

wgk

nwg

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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Inkjet printing of sol-gel derived tungsten oxide inks
Vidmar T, et al.
Solar Energy Materials and Solar Cells, 125, 87-95 (2014)
Electrochemical reduction of tungsten compounds to produce tungsten powder
Erdogan M and Karakaya I
Metall. Mater. Trans. B (2010)
Building of peculiar heterostructure of Ag/two-dimensional fullerene shell-WO3-x for enhanced photoelectrochemical performance
Ren Y, et al.
Applied Catalysis. B, Environmental, 231, 381-390 (2018)



Global Trade Item Number

SKUGTIN
W355220-100G-K04061841232360
W355220-SAMPLE-K04061841232391
W355220-1KG-K04061841232377
95410-500G04061833316054
95410-100G04061833316047