Lead silicate
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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
Risks
- Toxic by inhalation or ingestion.
- Noncombustible but may form lead fumes during firing.
- Skin contact may cause irritation or ulcers.
- Carcinogen, teratogen, suspected mutagen.
- EChemi: SDS
Physical and Chemical Properties
Insoluble in most solvents.
| Composition | PbSiO3 |
|---|---|
| CAS | 10099-76-0 |
| Melting Point | 710-800 C |
Resources and Citations
- 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