H2O4S, CAS Number-7664-93-9, acide sulfurique, acidum sulfuricum, battery acid, dihydrogen sulfate, dipping acid, electrolyte acid, mattling acid, oil of vitriol, sulphuric acid, vitriol brown oil, 6AMP, 100 deg.C, CHEBI:26836, Colorless, QAOWNCQODCNURD-UHFFFAOYSA-N, sulfuric acid, 64589, 98.072