EDTMP.Na5 Synonyms: ethylenediamine tetra(methylenephosphonic acid) pentasodium;EDTMPS Na5;Ethylene Diamine Tetra (Methylene Phosphonic Acid) Sodium Salt EDTMPA.5Na;Ethylenediamine tetra(methylenephosphonic acid) pentasodium salt;EDTMP pentasodium salt;pentasodium trihydrogen [ethane-1,2-diylbis[nitrilobis(methylene)]]tetrakisphosphonate;PENTASODIUM ETHYLENEDIAMINE TETRAMETHYLENE PHOSPHONATE;Phosphonic acid, 1,2-ethanediylbisnitrilobis(methylene)tetrakis-, pentasodium salt   CAS :7651-99-2