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Merck
CN

550086

Tungsten(VI) oxide

nanopowder, <100 nm particle size (TEM)

Synonym(s):

Tungsten oxide, Tungsten trioxide, Tungstic oxide, Tungstic anhydride

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About This Item

Linear Formula:
WO3
CAS Number:
1314-35-8
Molecular Weight:
231.84
NACRES:
NA.23
PubChem Substance ID:
24879090
UNSPSC Code:
12352302
EC Number:
215-231-4
MDL number:
MFCD00011466

Key Documents

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Product Name

Tungsten(VI) oxide, nanopowder, <100 nm particle size (TEM)

InChI key

ZNOKGRXACCSDPY-UHFFFAOYSA-N

InChI

1S/3O.W

SMILES string

O=[W](=O)=O

form

nanopowder

particle size

<100 nm (TEM)

density

7.16 g/mL at 25 °C (lit.)

Quality Level

100

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Application

WO3 can be used for a variety of applications, such as electronics, optics, gas sensors and elecctrochromism.

General description

Tungsten oxide (WO3) nanopowder is a metallic powder that can be prepared by the calcination of ammonium paratungstate (APT) in the temperature range of 560°C and 850°C. It can be produced by a variety of techniques, such as electrodeposition, sputtering, milling, and chemical processes.

Storage Class

11 - 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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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ5160
MKCX6223
MKCX0223
0000246212
MKCS9702

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Formation of Ruthenium Cluster on Nanocrystalline Tungsten Trioxide.
Fujioka Y, et al.
The Journal of Physical Chemistry C, 117(15), 7506- 7510 (2013)
Electrochromic tungsten oxide films: review of progress 1993-1998
Granqvist CG
Solar Energy Materials and Solar Cells, 60(3), 201-262 (2000)
?Writing-Reading-Erasing? on tungsten oxide films using the scanning electrochemical microscope
Turyan I, et al.
Advanced Materials, 12(5), 330-333 (2000)
Structural Properties of Pure and Nickel-Modified Nanocrystalline Tungsten Trioxide.
Fujioka Y, et al.
The Journal of Physical Chemistry C, 116(32), 17029-17039 (2012)
Chemical vapor synthesis (CVS) of tungsten nanopowder in a thermal plasma reactor
Ryu T, et al.
International Journal of Refractory Metals & Hard Materials, 27(1), 149-154 (2009)
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