Sodium Tripolyphosphate (STPP) Synonyms: triphosphoric acid pentasodium salt, pentasodium triphosphate, tripolyphosphate pentasodium, sodium triphosphate, STPP, armofos, empiphos stp-D, freez-gard FP 19, polygon, rhodiaphos H5, thermphos, tripoly Molecular formula: Na5P3O10 Specifications: Sodium Tripolyphosphate, Detergent GradeITEMSSTANDARDPURITY(As Na5P3O10): 94% MIN.Total Phosphorous(as P2O5): 57%MIN.Water insoluble matter: 0.1 %MAX.Moisture (%) at 150 1.0% MAX.Iron: 0.015% MAX.PH Value: 9.2-10.0Particle size: 95% passedvia 100 MeshBulk density( g/cm3 ): 0.90 g/mlWhiteness: 90% MIN. Sodium Tripolyphosphate, Ceramic Grade ITEMSSTANDARDPURITY(As Na5P3O10): 94% MIN.Total Phosphorous(as P2O5): 57%MIN.Water insoluble matter: 0.1 %MAX.Moisture (%) at 150 1.0% MAX.Iron: 0.015% MAX.PH Value: 9.2-10Phase 23-26Bulk density( g/cm3 ): 0.65-0.75Whiteness: 90% MIN. Packing: 25KGs PP bag. Application: builder in laundry powder, sequestrant, chelating agent,Detergent,Detergents & Dishwashing Tablets,( liquid ) Cleaners, Food & Feed industry, in Brines, in the Seafood and Meat industry,Slurries, Ceramic Industry.