Trisodium phosphate(TSP) [Synonyms]: Sodium phosphate dodecahydrate; Trisodium phosphate dodecahydrate[Chemical formula]: Na3PO412H2O[Molecular weight]: 380.12[Properties]: White or colorless crystals, effloresce in air, soluble in water easily but not in organic solvent. Water solution is alkaline. PH value of 1% solution is 12.1. Density is 1.62, melting point is 73.4.[Uses]: Used as soft water agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in fabric dyeing and flux in enamel ware manufacturing, and so on.[Standard executed]: HG/T2517-93SpecificationsSpecificationsTechnical gradeFood gradeMain content,as Na3PO4·12H2O.min9598.0Phosphorus pentoxide, as P2O5.min17.718.3Chloride, as Cl.max0.800.02Arsenic, as As.max_0.0003Fluoride, as F.max_0.005Heavy metals, as Pb.max_0.001Sulfate, as SO42-.max0.500.50Water insoluble.max0.100.10Sodium oxide, as Na2O.max15.519.016.019.0 [Packing]: Plastic knit bag, Net weight 25 kg