Sodium Silicate

Sodium silicate appears as a powdered or flaked solid substance. Strong irritant to skin, eyes, and mucous membranes. May be toxic by ingestion. Concentrated aqueous solutions used as a glue. Sodium silicate is an inorganic sodium salt having silicate as the counterion. It contains a silicate ion.

Sodium metasilicate, SODIUM SILICATE, Waterglass, Water glass, Sodium siliconate, Sodium polysilicate, Disodium metasilicate, Sodium sesquisilicate, Sodium silicate glass, Sodium silicate solution, Sodium water glass, Britesil, Crystamet, Orthosil
Chemical Formula
CAS Number


Molar Weight
122.063 g/mol
Melting Point
1089 °C
Powder, Liquid (clear)

Uses and Applications

Key applications

  • Water treatment
  • Ceramics
  • Corrosion inhibitor and anti-scaling agent
  • Adhesives and Sealants
  • Oil and Gas
  • Textile handling
  • Detergent
  • Paint and Coatings
  • Emulsifying agent
  • Zinc ore / mining


  • Food & Nutrition
  • Water Treatment
  • CASE & Construction
  • Mining
  • Cleaning
  • Pulp & Paper