CAS Registry Number

CAS 13573-18-7 — Sodium tripolyphosphate

Sodium tripolyphosphate is a versatile inorganic phosphate salt widely used as a water softener, detergent builder, and food additive (e.g., emulsifier, preservative). It prevents scale formation, enhances solubility, and improves texture in processed foods. Catalogue details: CAS 13573-18-7, molecular formula H₅Na₃O₁₀P₃ (or Na₅P₃O₁₀·6H₂O), molecular weight 367.86 (anhydrous), storage at ambient conditions, no hazard classification. Molekula supplies sodium tripolyphosphate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.