Lead tungstate
Revision as of 07:50, 24 July 2013 by (username removed)
Description
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.
Authority
- 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