Mainly used in the production of unsaturated polyester resin, alkyd resin, pesticide malathion, high efficiency and low toxicity pesticide 4049, long-acting iodine amine raw materials. Is also a paint, Malay Rosin, polymaleic anhydride, maleic anhydride - styrene copolymer copolymer monomer, but also the production of ink additives, paper additives, plasticizers, tartaric acid, fumaric acid, tetrahydrofuran and other organic chemical raw materials .