... packing; 3. regularly suppliable Sodium Tripolyphosphate (STPP) specification:Synonyms: triphosphoric acid pentasodium salt, ... pentasodium triphosphate, tripolyphosphate pentasodium, sodium triphosphate, STPP, armofos, empiphos stp-D, freez-gard FP ... Application: builder in laundry powder, sequestrant, chelating agent,Detergent,Detergents & Dishwashing Tablets,( liquid ) Cleaners, Food ...