CAS Registry Number

CAS 22620-95-7 — Sodium phosphite

Sodium phosphite is an inorganic compound primarily used as a reducing agent, corrosion inhibitor, and preservative in industrial processes, water treatment, and food applications. It is also employed in the production of flame retardants and as a chelating agent in metal finishing. This chemical has a CAS number of 22620-95-7, with the molecular formula Na₃O₃P and a molecular weight of 147.94 g/mol. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies sodium phosphite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.