124-40-3 506-59-2 AI3-52357 Dimethylamine hydrochloride Dimethylamine, hydrochloride Dimethylammonium chloride EINECS 208-046-5 Hydrochloric acid dimethylamine Methanamine, N-methyl-, hydrochloride N-METHYLMETHANAMINE, HYDROCHLORIDE N-Methylmethanamine hydrochloride