The dharamsi morarji chemical ltd manufactures various types of chemical products. Sulphuric anhydride is an iso 9001-2000 certified company. Sulphuric anhydride is a part of those products. Sulphuric anhydride is a transparent and colorless liquid of brownish tinge, free from suspended matter and visible impurities. Sulphuric anhydride is applicable for industrial users who are familiar with the bulk handling of oleum and chlorosulphonic acid will encounter no difficulty in handling sulphuric anhydride [stabilized] in their operations. Molecular formula of this chemical is so3.