Sodium metasilicate
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Description
White, crystalline powder or solid. Sodium metasilicate is the dry form of sodium silicate. It is used in detergents and cleaning products.
Risks
- Noncombustible.
- Highly corrosive.
- Reacts with moisture.
- Contact causes burns.
- Gelest: SDS
Physical and Chemical Properties
Soluble in water (pH =12.6 for 1% solution). Insoluble in ethanol, acids, salt solutions.
| Composition | Na2SiO3 |
|---|---|
| CAS | 6834-92-0 |
| Melting Point | 1089 C |
| Density | 2.614 g/ml |
| Molecular Weight | mol. wt. = 122.1 |