Synonyms: hexapotassium salt; Hexamethylenediamine Tetra(methylene Phosphonic Acid); Potassium Salt; 1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-phosphonic aci potassium; hexamethylenediamine tetra(methylene phosphonic acid) hexapotassium salt; K6HDTMP; [hexane-1,6-diylbis[nitrilobis(methylene)]]tetrakisphosphonic acid, potassium salt; Hexamethylenediamine Tetra(methylene Phosphonic Acid) Potassium Salt; Phosphonic acid, 1,6-hexanediylbisnitrilobis(methylene)tetrakis-, potassium salt; (Hexan-1,6-diylbis(nitrilobis(methylen)))tetrakisphosphonsure, Kaliumsalz; (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis-phosphonic aci potassium; Potassium Salt of HexaMethyleneDiamineTetra (MethylenePhosphonic Acid); hexapotassium dihydrogen [hexane-1,6-diylbis[nitrilobis(methylene)]]tetrakisphosphonate; HMDTMPA.K6; Potassium Salt of HexaMethyleneDiamineTetra (MethylenePhosphonic Acid)