CAS Registry Number

CAS 582-25-2 — Potassium benzoate

Potassium benzoate is the potassium salt of benzoic acid, widely used as a preservative in foods, beverages, pharmaceuticals, and cosmetics to inhibit mold, yeast, and bacteria growth. It is also employed in chemical synthesis and as a buffering agent. This white crystalline powder has a CAS number of 582-25-2, molecular formula C₆H₅COOK, and a molecular weight of 160.21 g/mol. Store at ambient temperatures. The product carries a **Danger** signal word due to potential health hazards if ingested or inhaled in large quantities. Molekula supplies potassium benzoate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.