Synonyms: Diethylene Triamine Penta(methylene phosphonic acid); Diethylenetriaminepenta(methylene-phosphonic acid); Phosphonic acid, [[(phosphonomethyl)imino]bis[2,1-ethanediylnitrilobis(methylene)]]tetrakis-; [[(phosphonomethyl)imino]bis[ethane-2,1-diylnitrilobis(methylene)]]tetrakisphosphonic acid; Diethylene Triamine Pentamethylene Phosphonic Acid; DETAPMP; DETPMPA; EDTPMP; Diethylene Triamine Penta (Methylene Phosphonic Acid) (DTPMPA); DTPMPA; DTPMP; DETPMP; Diethylenetriamine, pentamethylenepentaphosphonic acid; diethylenetriaminepentakis(methylphos-phonic acid) sol; (((Phosphonomethyl)imino)bis(ethane-2,1-diylnitrilobis(methylene)))tetrakisphosphonic acid; Phosphonic acid, (((phosphonomethyl)imino)bis(2,1-ethanediylnitrilobis(methylene)))tetrakis-