I G Petrochemicals Limited specializes in the production of chemicals, such as phthalic anhydride, maleic anhydride, benzoic acid and di-ethyl phthalate. Phthalic Anhydride is used in manufacturing plasticizers, which are essential in making PVC products, shoe soles, cables, pipes and hoses, leather cloth, films for packaging and other products. Maleic Anhydride is used in the manufacturing of unsaturated polyester resin, spandex, lubricating oil additives, personal care products detergents, insecticides and fungicides and water treatment. Benzoic Acid is used in perfumes, paints, dyes and plastics, and the manufacture of unsaturated polyester resin. Advance Plasticizers are used as a plasticizer in consumer goods, including plastic packaging films, in cosmetics formulation, solvent for fragrances, a surface lubricant in food and pharmaceutical packaging, and in tubes used for medical purposes. Its subsidiaries include IGPL International Ltd., IGPL Energy Ltd and IG Biofuels Ltd.