TRISODIUM PHOSPHATE(TSP) Chemical formula: Na3PO4.12H2O Molecular weight: 380.14 Standard executed: HG/T2517-93 Throughput: 10000t/a Properties: White of colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62, melting point is 73.4℃.