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Tungsten Trioxide Powder, WO3 Powder, CAS 1314-35-8

Reference: HTWW1126

Condition: New product

Tungsten Trioxide Powder is a light yellow or green crystalline powder with the formula WO3, which is an important raw material for producing metal tungsten, hard alloy, and tungstate, and can also be used as a coloring agent, catalyst, fire retardant, etc. Heeger Materials offers top-quality WO₃ Powder at competitive prices, with customized options for particle size to meet specific requirements.

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Data sheet

Particle Size	8-25 μm
Materials	WO3
Purity	99.5%, 99.9%
CAS	1314-35-8

More info

Tungsten Trioxide, or tungsten (VI) oxide or tungstic anhydride, is a thermally stable, water-insoluble tungsten compound. It is a yellow crystalline solid that changes to green or deep blue when exposed to varying temperatures and humidity levels. This color change is accompanied by an increase in electrical conductivity. These unique properties make WO₃ highly valuable for applications such as smart windows and electronic devices

Tungsten Troxide Powder, WO3 Powder, CAS 1314-35-8

Formula: WO3
Density: 7.16 g/cm³
Melting point: 1473 ℃
Boiling point: 1750 ℃
Solubility: insoluble in water, soluble in alkali, and slightly soluble in acid.

Tungsten Trioxide (WO₃) Powder Specifications

Product	Tungsten Trioxide Powder
Grade	WO₃-0				WO₃-1
Level	Level-Extra				Level-1
Purity (%)	99.9%				99.5%
APS (μm)	8-25				8-25
Apparent Density (g/cm³)	1.5-3.0				1.5-3.0
Impurity Contents (mass fraction), %, max	Al	0.0005	Mo	0.0020	Al	0.0010	Mo	0.0040
	As	0.0015	Na	0.0010	As	0.0015	Na	0.0020
	Bi	0.0001	Ni	0.0005	Bi	0.0001	Ni	0.0007
	Ca	0.0010	P	0.0008	Ca	0.0010	P	0.0015
	Co	0.0010	Pb	0.0001	Co	0.0010	Pb	0.0001
	Cr	0.0010	S	0.0007	Cr	0.0010	S	0.0010
	Cu	0.0003	Sb	0.0005	Cu	0.0005	Sb	0.0010
	Fe	0.0015	Si	0.0010	Fe	0.0015	Si	0.0010
	K	0.0010	Sn	0.0002	K	0.0015	Sn	0.0005
	Mg	0.0007	Ti	0.0010	Mg	0.0010	Ti	0.0010
	Mn	0.0010	V	0.0010	Mn	0.0010	V	0.0010

Tungsten Trioxide (WO₃) Powder SEM

Tungsten Trioxide Powder, WO3 Powder SEM

Tungsten Trioxide (WO₃) Powder Applications

It can be reduced by hydrogen to obtain metal tungsten.
It can be mixed with carbon and other metals to form a hard alloy.
It can be reacted with various metals or non-metals to form tungstates.
It can be used as a pigment in ceramics and paints, giving them a yellow or green color, and enhancing their thermal stability and chemical resistance.
It can be used as a catalyst or a catalyst support in various reactions.
It can be used as a fire retardant in plastics, rubber, textiles, and wood, and reduce the flammability and smoke emission of the materials.

Tungsten Trioxide (WO₃) Powder Packing

Tungsten Trioxide (WO₃) Powder should be stored in a sealed container in a dry and cool place, and should not be exposed to air for an extended time. HM offers vacuum-sealed packaging including 100g/bag, 500g/bag, 1kg/bag, and 25kg/drum, or customized packaging as per specific requirements.

Tungsten Trioxide Powder, WO3 Powder Packing

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