Synonyms: bis(2-mercaptoethyl) 3,3'-thiobispropionate;3,3'-Thiobis(propionic acid)bis(2-mercaptoethyl) ester;Bis(2-mercaptoethyl ester) 3,3'-thiodipropionic acid;Bis(2-mercaptoethyl) 3,3'-thiodipropionate;Einecs 267-474-0;Propanoic acid, 3,3'-thiobis-, 1,1'-bis(2-mercaptoethyl) ester;Propanoic acid, 3,3'-thiobis-, bis(2-mercaptoethyl) ester