Sodium Sillicate

Alternative (Trade) Names: Sodium Metasilicate, Liquid Glass

Physical and Chemical Properties

Chemical Formula: Na2SiO3
Molar Mass: 122.06 g/mol (anhydrous) 212.14 g / mol (pentahydrate)
Appearance: Colorless, solid
Density: 2.4 g/cm3
Melting Point: 1088 °C (anhydrous) 72.2 °C (pentahydrate)
Solubility in Water: Soluble
Refractive Index: 1.52 (anhydrous) 1.456 (pentahydrate)
Molecular Weight: 280-350