Lead tungstate

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A yellowish-white powder that occurs naturally as the transparent crystalline minerals raspite and stolzite. Lead tungstate is used as an industrial paint pigment.

Synonyms and Related Terms

lead wolframate; tungstato de plomo (Esp.); tungstate de plomb (Fr.); tungstato de chumbo (Port.)

Other Properties

Soluble in sodium hydroxide. Insoluble in water.

Composition PbWO4
CAS 7759-01-5
Melting Point 1130
Density 8.235
Molecular Weight mol. wt. = 455.07

Hazards and Safety

Toxic by inhalation or ingestion. Skin contact may cause irritation or ulcers. Carcinogen, teratogen, suspected mutagen.

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 444
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5269