Sulfuric acid (alternative spelling
sulphuric acid) is a highly
corrosive strong mineral acid with the
molecular formula H2SO4 and molecular weight 98.079 g/mol. It is a pungent-ethereal, colorless to slightly yellow viscous liquid which is soluble in
water at
all concentrations. Sometimes, it is dyed dark brown during production to alert people to its hazards. The historical name of this acid is
oil of vitriol.