CAS Registry Number

CAS 873-55-2 — Benzenesulfinic acid sodium salt

Benzenesulfinic acid sodium salt is an organic sodium salt derived from benzenesulfinic acid, primarily used as a reducing agent in organic synthesis, dye manufacturing, and as a precursor in pharmaceutical and agrochemical production. It is a white to off-white crystalline solid with high solubility in water and polar solvents. This chemical has a CAS number of 873-55-2, with the molecular formula C6H5SO2Na and a molecular weight of 164.16. It is stable under ambient storage conditions and poses no acute hazards, requiring no signal word classification. Molekula supplies Benzenesulfinic acid sodium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.