CAS Registry Number

CAS 6303-21-5 — Hypophosphorous acid, 50% aq. soln.

Hypophosphorous acid, 50% aqueous solution, is a strong reducing agent used in electroless nickel plating, chemical synthesis, and as a stabilizer in polymerization reactions. It is a clear, colorless to pale yellow liquid with a pungent odor. CAS: 6303-21-5, molecular formula: H3O2P, molecular weight: 66.0 g/mol. Store at ambient temperature. Hazardous: signal word Danger. Molekula supplies Hypophosphorous acid, 50% aq. soln. from research to bulk quantities with full documentation and ISO 9001:2015 traceability.