... .Adhere to the equality and mutual benefit Sodium Tripolyphosphate (STPP)Synonyms: triphosphoric acid pentasodium salt ... , pentasodium triphosphate, tripolyphosphate pentasodium, sodium triphosphate, STPP, armofos, empiphos stp-D, ... , thermphos, tripoly Molecular formula: Na5P3O10Specification chart: Sodium Tripolyphosphate, Ceramic GradeITEMSSTANDARDPURITY(As Na5P3O10):94% MIN. ...