Synonyms: Acid Mist; Dipping Acid; BOU; Hydrogen sulfate; Oil of vitriol; Sulfur acid; Sulfuric acid, spent; Sulfuric; Vitriol Brown Oil; Sulphuric acid; Sulfate acid; Sulfuric acid (98%); Battery acid; Sulfuric acid for storage battery; Sulfuric acid, standard solution; Sulfuric acid, fuming (20%); Oleum; Sulfuric acid,fuming; Oleum; Sulfuric acid fuming; Fuming sulfuric acid; HSDB 1236; Oleum iodisum; Sulfur trioxide, mixt. with sulfuric acid; Sulfuric acid mixture with sulfur trioxide; Sulfuric acid, mixt with sulfur trioxide; Sulfuric acid, fuming; Sulfuric acid, mixt. with sulfur trioxide; Oleum (Fuming Sulfuric acid); Oleum 65% by weight or more free sulfur trioxide (SO3); Sulfuric acid (fuming); Sulfuric acid, fuming > or =30% free sulfur trioxide; Sulfuric acid, fuming > or =30% free sulfur trioxide [UN1831] [Corrosive]; Sulfuric acid, mixture with sulfur trioxide; UN1831; oxosulfane dioxide - sulfuric acid (1:1)