Synonyms : 2, 3-Dimercapto-1-propanesulfonic Acid, 2, 3-Dimercaptopropane 1-Sodium Sulfonate, 2, 3-Dimercaptopropane-1-sulfonate Sodium, 2, 3-Dimercaptopropanesulfonic Acid, DMPS, DMPS-Heyl, Dimaval, Heyl Brand of Unithiol, Mercuval, Sodium 2, 3-Dimercaptopropane Sulfonate