Maleic Anhydride CAS: 108-31-6 

1. Used for the production of 1, 4-butanediol, γ-butanolactone, tetrahydrofuran, succinic acid, unsaturated polyester resin, alkyd resin and other raw materials;

2. Used in the production of pesticides for the synthesis of organophosphorus insecticide malathion intermediate diethyl malmaleonate, pyriazine sulfur intermediate 1-phenyl-3, 6-dihydroxypyriazine, and pyrethroid insecticide permethrin, fungicide, clomydan intermediate;

3. It is also used in the production of unsaturated polyester resin, ink additives, paper additives, coatings, pharmaceutical industry, food industry, etc.