Lead silicate
Revision as of 07:07, 24 July 2013 by (username removed)
Description
A white, crystalline powder that is made by the reaction of lead acetate and sodium silicate. Lead silicate is noncombustible and is used in fireproofing fabrics. It is also used as a glaze for ceramics and a pigment in water-based wood primers.
Synonyms and Related Terms
lead metasilicate; lead bisilicate; lead frit; alamosite
Other Properties
Insoluble in most solvents.
| Composition | PbSiO3 |
|---|---|
| CAS | 10099-76-0 |
| Melting Point | 710-800 |
Hazards and Safety
Toxic by inhalation or ingestion. Noncombustible but may form lead fumes during firing. 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
- Michael McCann, Artist Beware, Watson-Guptill Publications, New York City, 1979
- Guy Weismantel, Paint Handbook, McGraw-Hill Book Company, New York, 1981