(((Phosphonomethyl)imino)bis(2,1-ethanediylnitrilo)bis(methylene)tetrakis(phosphonic acid), decaammonium salt 67785-99-3 Decaammonium ((bis(2-(bis(phosphonatomethyl)amino)ethyl)amino)methyl)phosphonate EINECS 267-083-5 Phosphonic acid, (((phosphonomethyl)imino)bis(2,1-ethanediylnitrilobis(methylene)))tetrakis-, decaammonium salt