(2-Hydroxyethyl)ammonium mercaptoacetate 126-97-6 Acetic acid, mercapto-, compd. with 2-aminoethanol (1:1) EINECS 204-815-4 Ethanolamine thioglycolate Mercaptoacetic acid, compd. with 2-aminoethanol (1:1) Monoethanolamine thioglycolate