Trisodium Phosphate(TSP) Chemical formula :Na3PO4.12H2O Molecular Weight :380.14 Executive standard : HG/T2517-2009 Property :White crystals, Density is 1.62, melting point is 73.4 . Soluble in water easily, PH of 1% water solution is 12.1. USE :Used as soft water agent for boiler , cleaning agent in electroplating ,etc. Technical Specifications :Assay 98.0 % Packing :In 25kg PP woven bag, Store at ventilated dry place.