(1,6-Hexanediylbis(nitrilobis(methylene)))tetrakisphosphonic acid (Hexane-1,6-diylbis(nitrilobis(methylene)))tetrakisphosphonic acid 23605-74-5 66300-27-4 67774-90-7 BRN 2405158 Dequest 2051 Dequest 2051 deflocculant and sequestrant EINECS 245-781-0 HDTMP Phosphonic acid, (1,6-hexanediylbis(nitrilobis(methylene)))tetrakis- Phosphonic acid, hexamethylenebis(nitrilodimethylene)tetra- (7CI,8CI)