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Sodium Metasilicate
- Origin
- : China
- CAS Number
- : 6834-92-0
- HS Code
- : -
Basic Info
- IUPAC Name
- : disodium metasilicate
- Molecular Formula
- : Na2SiO3
- Molecular Weight (g/mol)
- : 122.0600
- Synonyms & Trade Names
- : Sodium metasilicate; Sodium silicate anhydrous; Water glass anhydrous
- Purity / Assay (%)
- : Na2O 20.5%; SiO2 26.5% min
- Grade / Quality Level
- : Industrial Grade
- Physical Form
- : Solid
- Concentration
- : Pure substance
- Appearance / Color
- : White to off-white solid
- Odor
- : Odorless
- Melting Point (°C)
- : 1089.0000
- Density (g/cm³)
- : 2.6140
- Solubility in Water
- : Freely soluble
- Signal Word
- : Danger
- GHS Hazard Class
- : Skin corrosive; Eye corrosive
- H-Statements
- : H290|H314
- P-Statements
- : P234|P260|P264|P270|P273|P280|P301+P330+P331
- REACH Status
- : Registered
- Drug Precursor Status
- : Non-precursor
- Storage Class (GHS)
- : 8
- Storage Conditions
- : Keep dry; away from acids
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Brief Overview
Sodium Metasilicate (Na2SiO3) is one of the silicate compounds that can dissolve in water. Mestasilicate Sodium is made by reacting Sodium Carbonate (Na2CO3) and Silica Sand (SiO2) in a furnace. The use of Sodium Metasilicate (Na2SiO3) in the chemical industry can be said to be quite extensive. Some of the uses of Sodium Metasilicate (Na2SiO3) include the manufacture of silica gel, catalysts, metal cleaners and various other chemical industries. Sodium Metasilicate (Na2SiO3) is a white solid with a molecular weight of 122.06, a melting point of 1088°C and a density of 2.4 g/cm3.
Manufacturing Process
The manufacture of Sodium Silicate for industrial scale was initiated by the study of Johan Nepomuk Von Fuch, Munich Professor of Minerology. This research began in 1828 by dissolving silica sand and caustic soda. Kuhlman started the Sodium Silicate industry in 1841 in France. In 1863 Sodium Silicate was produced in America after Elkington patented his furnace. In England Gossage started using Sodium Silicate to improve soap products and industrial-scale Sodium Silicate products started in Widnes in 1854.
