CAS Registry Number

CAS 10102-17-7 — Sodium thiosulfate pentahydrate

Sodium thiosulfate pentahydrate is an inorganic compound widely used as a reducing agent, in photography for fixing developed film, and in water treatment to neutralize chlorine. It also serves in chemical synthesis, food processing, and as an antidote for cyanide poisoning. This white crystalline powder has a CAS number of 10102-17-7, a molecular formula of Na₂S₂O₃·5H₂O, and a molecular weight of 248.18. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies sodium thiosulfate pentahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Sodium thiosulfate pentahydrate - Analytical Reagent