MoDTP Cas No.:72030-25-2 Sodium silicate is undoubtedly an inorganic compound referred to as drinking water glass, While using the chemical formulation Na2SiO3. This is a colorless, a little alkaline viscous liquid, weakly alkaline, soluble in h2o, and will manufacture silica gel, silica black, silica sol, silicate cement, textiles, fireproofing