Lead silicate
- CAS NO.：11120-22-2
- Empirical Formula: O3PbSi
- Molecular Weight: 283.2837
- MDL number: MFCD00054150
- EINECS: 234-363-3
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:31:37
What is Lead silicate?
Chemical properties
Lead bisilicate, PbO·0.03Al2O3 · 1.95SiO2, is a pale yellow powder, insoluble in water. Its composition, by weight, is 65% PbO, 1% Al2O3, and 34% SiO2. Lead bisilicate is available as granular, <1.68 mm (10 mesh), and ground, 88% through 44 μm (325 mesh). It was developed as a low solubility source of lead in glazes, where its high viscosity and low volatility are equally important.
Flammability and Explosibility
Non flammable
Properties of Lead silicate
| Melting point: | 700-800 °C |
| Density | 6.2 |
| Water Solubility | 68μg/L at 20℃ |
| EPA Substance Registry System | Silicic acid, lead salt (11120-22-2) |
Safety information for Lead silicate
Computed Descriptors for Lead silicate
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