... pharmaceuticals, plastic, chemical fiber, tanning, detergent, paint, dehydrator and gas drying agent. Pure grades are colorless, odorless, clear ... active chemical, sulfuric acid reacts with nearly all metal and oxide and hydrate to generate sulfate. It also reacts with salts ... acid to avoid explosion and acid blowout caused by overheated acid liquid surface. Reacting with metal, concentration below 76% ...