Sulfuric Acid is one of the most active, strong, binary inorganic acids that react with many metals. High concentrations of sulfuric acid has a strong water absorption, can be used as a dehydrating agent, carbonized wood, paper, cotton fabric and biological flesh and other carbohydrate-containing substances. When mixed with water, it will emit a lot of heat. It has a strong corrosive and oxidizing, it should be used with caution. Is an important industrial raw material used in the manufacture of fertilizers, pharmaceuticals, explosives, pigments, detergents, batteries, etc. It is also widely used in industries such as purification of petroleum, metal smelting and dyestuffs. Commonly used as chemical reagents, organic synthesis can be used as a dehydrating agent and sulfonating agent. Colorless viscous liquid, a strong corrosive, irritating odor, soluble in water, generating dilute sulfuric acid, that H2SO3.