... 2.ISO9001:2008 quality systern certificate 3.export to USA, TSP:Na3PO4.12H2O ,TG , Assay :98.0 %min , P2O5: 18.3 ... %minTrisodium phosphate (TSP) Chemical formula: Na 3PO4 ·12H2OMolecular Weight:380.14Technical Specifications: SpecificationspecificationsTech ... agent for boiler , cleaning agent in electroplating ,etc. trisodium phosphate dodecahydrate(TSP)