CAS Registry Number

CAS 10213-79-3 — Sodium metasilicate pentahydrate

Sodium metasilicate pentahydrate is an inorganic salt composed of sodium, silicon, and oxygen, commonly used as a cleaning agent, water softener, and pH adjuster in industrial and household applications, including detergents, pulp and paper processing, and corrosion inhibition. It is also employed in boiler water treatment and as a deflocculant in ceramics. This chemical has a CAS number of 10213-79-3, with the molecular formula Na2SiO3·5H2O and a molecular weight of 212.14 g/mol. It is stored at ambient conditions but requires careful handling due to its **Danger** classification under GHS. Molekula supplies sodium metasilicate pentahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.