Sodium Metasilicate Pentahydrate


Sodium metasilicate is the chemical substance with formula Na2SiO3, It is an ionic compound consisting of sodium cations Na+ and the polymeric metasilicate anions [SiO23–]n. It is a colorless crystalline hygroscopic and deliquescent solid, soluble in water (giving an alkaline solution) but not in alcohols.

As a builder in soap and detergent

Metal Treatment
As anti corrosion agent

As clay deflocculant