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Sodium metasilicate is produced by fusing sand with sodium carbonate at very high temperatures. It is used in a variety of industrial and household settings. While it is a cleaning and de-rusting solution, it is highly corrosive and should be handled with care.
CAS Number 6834-92-0
Properties:
Molecular Weight 122.06
Color: White
Form: powder
Solubility in Water: Soluble in cold water. Hydrolyzes in hot water.
Insoluble in acids, alcohol and salt solutions
Density: 2.4
Uses
It is used is as an ingredient in fireproofing mixtures, household cleaning, insecticides, fungicides and as a bleaching aid.
The United States Food and Drug Administration has approved one form of sodium metasilicate, the pentahydrate form, for use in washing vegetables and fruits.
Sodium metasilicate is used in dairy, metal, and floor cleaning; in de-inking paper; in washing carbonated drink bottles.
