Synonyms: Phosphonic acid, P,P',P'',P'''-(1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-, ammonium salt, compd. with 2,2',2''-nitrilotris(ethanol) (1:2:6);Phosphonic acid, (hexamethylenebis(nitrilodimethylene))tetra-, hexaammonium, di(triethanolamine) salt;Hexaammonium dihydrogen (hexane-1,6-diylbis(nitrilobis(methylene)))tetrakisphosphonate, compound with 2,2',2''-nitrilotris(ethanol) (1:2);Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-, hexaammonium salt, compd. with 2,2',2''-nitrilotris(ethanol) (1:2);ammonium 12-hydroxy-2-{[(hydroxyphosphinato)oxy]methyl}-12,12-dioxido-9-[(phosphonatooxy)methyl]-11-oxa-2,9-diaza-12lambda~5~-phosphadodec-1-yl phosphate - 2,2',2''-nitrilotriethanol (6:1:2)