Synonyms: Ammonium,hexamethylenebis[(carboxymethyl)dimethyl-, dichloride, didodecyl ester (8CI);Hexamethylenebis[(carboxymethyl)dimethylammonium chloride], didodecyl ester(7CI); Dodeconium;N,N'-Bis(dodecyloxycarbonylmethyl)-N,N,N',N'-tetramethylhexamethylenediammoniumdichloride; Preparation C