Tungstic Acid

Availability

Special and quality requirements for wolframic acid, ortho-tungstic acid. are available upon request: tungstic acid is normally available in various concentrations.

Formula

H2W04

CAS Registry Number

7783-03-1

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Tungstic Acid

Distributor of wolframic acid, ortho-tungstic acid.

Description

Tungstic acid has the appearance of a very light yellow or greyis h-yellow powder. It can be obtained by decomposing a mineral containing calcium tungstate with hydrochloric acid. Tungstic acid is insoluble in water and most acids except for hydrofluoric acid; it is soluble in alkali hydroxides and ammonia. Also know as wolframic acid and orth-tungstic acid, it is used in the textile industry, in the production of tungsten filaments and plastic materials.

Appearance

Tungstic acid occurs as a very light yellow or greyish-yellow powder.

Solubility

Insoluble in water and in most acids, except for hydrofluoric acid. Tungstic acid is soluble in concentrated solutions of alkali hydroxide and in ammonia.

Uses

Tungstic acid is used in the textile industry, in the production of tungsten filaments, and in the production of plastic materials and pigments.

Classification

Tungstic acid is irritating to eyes and skin.

Safety

Request safety data sheet (SDS) and refer to points 4, 5, 6, 7, 8, 10, 13, 14, 15.

Specifications

Technical specifications are provided on request according to the application: tungstic acid is stored in original packing and under conditions mentioned on the safety data sheet (SDS).

Synonyms

Wolframic acid, ortho-tungstic acid.