Partially neutralized sodium salt of bis hexamethylene triamine penta (methylene phosphonic acid) BHMTPHPN(Nax);BHMTPh.PN(Nax);BHMTPHPN(Nax);Partially neutralized sodium salt of bis hexamethylene triamine penta (methylene phosphonic acid);N,N-Bis[6-[bis(phosphonomethyl)amino]hexyl]phosphonomethanamine;Phosphonomethyliminobis(6,1-hexanediylnitrilo)tetrakismethylenetetrakisphosphonic acid;Bis(hexamethylenetriaminepenta(methylenephosphonic acid)) solution;[[(phosphonomethyl)imino]bis[6,1-hexanediylnitrilobis(methylene)]]tetrakis-Phosphonicacid