AMMONIUM TUNGSTATE PENTAHYDRATE (99.999%-W) PURATREM Chemical Properties

Density 

2.3

storage temp. 

Sealed in dry,Room Temperature

solubility 

very soluble in H2O; insoluble in ethanol

form 

Crystalline Powder

color 

White

Water Solubility 

Slightly soluble in water.

Exposure limits

ACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; TWA 1 mg/m3; STEL 10 mg/m3; STEL 3 mg/m3

Safety Information

TSCA 

Yes

AMMONIUM TUNGSTATE PENTAHYDRATE (99.999%-W) PURATREM Usage And Synthesis

Chemical Properties

99.999% pure plates or crystal(s) powder(s); usually prepared by crystallization from a boiling solution [ALF93] [MER06]

Uses

Ammonium tungsten oxide pentahydrate is used as a source for the preparation of pure tungsten oxide, carbide, tungsten metal powder, and also as laboratory reagent. It is also used in the area of absorbent gels, catalyst industry and coloring agent in the porcelain industry.

AMMONIUM TUNGSTATE PENTAHYDRATE (99.999%-W) PURATREM(1311-93-9)Related Product Information

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