Sodium metasilicate pentahydrate (Na2SiO3•5H2O)-Granules

(Sodium metasilicate pentahydrate (Na2SiO3•5H2O)-Granules)

CAS: 10213-79-3 Molecular Formula: Na2SiO3•5H2O Purity: 99.9% Products Code: TR Specification Model: -18 Mesh Hazardous Class: Class 8 EINECS No.: 229-912-9 UN No.: UN3253 Package Class: PGIII

Characteristic

Sodium metasilicate is the chemical substance with formula Na2SiO3, which is the main component of commercial sodium silicate solutions. It is a colorless crystalline hygroscopic and deliquescent solid, soluble in water (giving an alkaline solution), but not in alcohols.

Chemical formula:Na2SiO3•5H2O

Molar mass:212.14 g/mol

Appearance:White crystals

Density:2.61 g/cm3

Melting point:1,088 °C (1,990 °F; 1,361 K)

Solubility in water:22.2 g/100 ml (25 °C);160.6 g/100 ml (80 °C)

Solubility:insoluble in alcohol

Refractive index (nD):1.52

Application

Sodium metasilicate pentahydrate is used as a starting material in the preparation of silicas and zeolites. It finds application in detergents and cleaners, pulp and paper production. It is also used in soil stabilization, sealing, adhesives and binders. Further, it is used in titanium dioxide production, paints for masonry and glass, spray coatings for tunnel construction. In addition to this, it is used in fruit and vegetable washes and sanitizers for food-contact surfaces.

(Sodium metasilicate pentahydrate (Na2SiO3•5H2O)-Granules)