(Z)-3-Ethyl-2-heptadec-8-enyl-1-(2-hydroxyethyl)imidazolidinium ethyl sulphate 67786-02-1 EINECS 267-085-6 Sulfuric acid, monoethyl ester, compd. with 3-ethyl-2-(8Z)-8-heptadecenyl-1-imidazolidineethanol (1:1)