Oleum 23 percantage Tanker Load SKU: SKU RXSOL-19-6289-200 Product Category: Category Solvent Chemicals-19 Variations Oleum 23 percantage Tanker Load Short Description Short Description Oleum is a thick, fuming, yellow liquid that is a solution of sulfur trioxide gas (SO3) dissolved in sulfuric acid (H2SO4)