Sodium Tripolyphosphate

Sodium Tripolyphosphate (STPP), Tech-grade Molecule formula: Na5P3010 Molecule weight: 367.86 CNS No.: 15.003 CAS No.: 7758-29-4 Description: White granular or powder, soluble in water, insoluble in ethanol Product standard: QB 1034-91 Application: STPP (tech grade) is applied as main auxiliary of synthetic wash; soap synergistic agent; water softener; leather pre-tanning agent; dye auxiliary agent and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry and poultry process. Index name Specification Na5PO10 ≥ 94% P2O5 ≥ 57% Fe ≤ 0.05% Insolubles ≤ 0.10% PH Value(1%Solution) 9.5-10.0% White degree ≥85