I G Petrochemicals Limited manufactures and sells organic chemicals in India and internationally. It offers phthalic anhydride that is used in the production of plasticizers, unsaturated polyester resins, alkyd resins, paints, and CPC pigments. The company also provides maleic anhydride, an organic compound used in the production of unsaturated polyester resins, coatings, pharmaceuticals, surfactants, additive of plastics, lubricating oil additives, and agricultural chemicals, as well as for the water treatment detergents, insecticides, and fungicides. In addition, it offers benzoic acid, an organic compound used in the manufacture of paints, dyes, plastics, and unsaturated polyester resins. The company was incorporated in 1988 and is based in Mumbai, India.