CAS Registry Number

CAS 6381-59-5 — Potassium sodium tartrate tetrahydrate (Rochelle Salt)

Potassium sodium tartrate tetrahydrate, also called Rochelle Salt, is a double salt of potassium and sodium tartrate widely used in chemical analysis, pharmaceuticals, and as a primary standard in acid-base titrations due to its high purity and stability. This white crystalline powder has the chemical formula C4H4KNaO6, a molecular weight of 210.16 g/mol, and requires no special storage conditions under ambient temperatures. It carries no signal word for hazard classification, ensuring safe handling. Molekula supplies Potassium sodium tartrate tetrahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Potassium sodium tartrate · Potassium sodium tartrate tetrahydrate (Rochelle Salt), USP Grade · Fehlings Solution B · Potassium sodium tartrate tetrahydrate (Rochelle Salt) (RD.)