CAS Registry Number

CAS 13517-23-2 — Sodium phosphite dibasic pentahydrate

Sodium phosphite dibasic pentahydrate is a water-soluble inorganic salt primarily used as a reducing agent, corrosion inhibitor, and preservative in industrial processes, water treatment, and food packaging. It acts as an oxygen scavenger and stabilizer in closed systems. This chemical has a CAS number of 13517-23-2, a molecular formula of Na2HPO3·5H2O, and a molecular weight of 216.03 g/mol. It is stored at ambient conditions and carries no signal word under standard hazard classifications. Molekula supplies Sodium phosphite dibasic pentahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.