Phosphonic acid, 1,2-ethanediylbis(phosphonomethyl)imino-2,1-ethanediyl(phosphonomethyl)imino-2,1-ethanediylnitrilobis(methylene)tetrakis-, decasodium salt

decasodium hexahydrogen [ethane-1,2-diylbis[[(phosphonatomethyl)imino]ethane-2,1-diyl[(phosphonatomethyl)imino]ethane-2,1-diylnitrilobis(methylene)]]tetrakisphosphonate