(2-(Elaidoylamino)ethyl)ethyl(2-hydroxyethyl)ammonium ethyl sulphate 68109-96-6 EINECS 268-505-0 Sulfuric acid, monoethyl ester, compd. with (9E)-N-(2-(ethyl(2-hydroxyethyl)amino)ethyl)-9-octadecenamide (1:1)