1,2-Ethylenediamine, N,N'-dicarboxymethyl-N,N'-dimethyl-, dimethochloride, didodecyl ester 21954-75-6 AMMONIUM, ETHYLENEBIS((CARBOXYMETHYL)DIMETHYL-, DICHLORIDE, DIDODECYL ESTER Ethylenebis((carboxymethyl)dimethylammonium), dichloride, didodecyl ester