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Tungsten(VI) oxide

Name: Tungsten(VI) oxide
Brand: ALDRICH

nanopowder, <100 nm particle size (TEM)

Synonym(s):

Tungstic anhydride

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About This Item

Linear Formula:

WO₃

CAS Number:

1314-35-8

Molecular Weight:

231.84

EC Number:

215-231-4

MDL number:

MFCD00011466

UNSPSC Code:

12352302

PubChem Substance ID:

24879090

NACRES:

NA.23

form

nanopowder

Quality Level

100

particle size

<100 nm (TEM)

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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Related Categories

Inorganic & Metallic Nanomaterials

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.

Application

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

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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A thin-film sensing element for ozone, humidity and temperature

Qu W and Wlodarski W

Sensors and Actuators B, Chemical, 64(1-3), 42-48 (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)

Structure and electronic properties of solid acids based on tungsten oxide nanostructures

Barton DG, et al.

The Journal of Physical Chemistry B, 103(4), 630-640 (1999)

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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