H2O4S, CAS Number-7664-93-9, acidum sulfuricum, acide sulfurique, battery acid, dihydrogen sulfate, mattling acid, electrolyte acid, vitriol brown oil, oil of vitriol, sulphuric acid, dipping acid, 2.5L, 290 deg.C, CHEBI:26836, Colorless, 98.07g/mol, QAOWNCQODCNURD-UHFFFAOYSA-N, sulfuric acid