purity: 96%MIN. excellent quality, competitive price and professional services Molecular formula: Na5P3O10Packing: ... classSecond classNa5P3O10, ≥969085P2O5, % ≥57.056.555.0Water insoluble, % ≤0.100.100.15Iron (Fe), % ≤0.0070.0150.030pH (10g/l solution)9.2 ... through 1.00mm Trv-sieve), % ≥95.0AppearanceWhite granula or powder SODIUM TRIPOLYPHOSPHATE