MoDTP Cas No.:72030-25-2 Sodium silicate can be an inorganic compound generally known as h2o glass, With all the chemical components Na2SiO3. It's 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 brokers, and the like