2-Aminoethanol hydrochloride 2-Hydroxyethylammonium chloride 2002-24-6 Colamine hydrochloride EINECS 217-900-6 ETHANOLAMINE-HCL Ethanol ammonium chloride Ethanol, 2-amino-, hydrochloride Ethanolamine HCl Ethanolamine chloride Ethanolamine hydrochloride MEA hydrochloride Monoethanolamine hydrochloride NSC 10000 NSC 30601 NSC 41218 beta-Aminoethanol hydrochloride