It is an important unsaturated organic anhydride basic raw material used in pesticide production to synthesize the intermediate of organic phosphorus insecticide malathion, diethyl maleate, 1-phenyl-3,6-dihydroxypyridazine, as well as the intermediate of pyrethroid insecticides such as permethrin, fungicides, and chloramphenicol. In addition, maleic anhydride is also used in the production of ink additives, paper additives, plasticizers, and tartaric acid, fumaric acid, etc Organic chemical raw materials such as tetrahydrofuran.

化学性质：白色颗粒。溶于水生成顺丁烯二酸。溶于乙醇并生成酯。

Chemical properties: White particles. Dissolve in water to form maleic acid. Dissolve in ethanol and generate esters.

用途：用作1,4-丁二醇、γ-丁内酯、四氢呋喃、琥珀酸、不饱和聚酯树脂、醇酸树脂等的原料，也用于医药和农药用途：顺丁烯二酸酐又名顺酐、马来酐、失水苹果酸酐，是一种重要的不饱和有机酸酐基本原料，在农药上用于合成有机磷杀虫剂的中间体顺丁烯二酸二乙酯、哒嗪硫磷的中间体1-苯基-3，6-二羟基哒嗪，以及拟除虫菊酯杀虫剂胺菊酯、剂、克菌丹的中间体，此外，还用于不饱和聚酯树脂、油墨助剂、造纸助剂、涂料以及医药工业、食品工业等。

Purpose: Used for producing 1,4-butanediol γ- Butanelactone, tetrahydrofuran, succinic acid, unsaturated polyester resin, alkyd resin, and other raw materials are also used in medicine and pesticide applications. Maleic anhydride, also known as maleic anhydride, maleic anhydride, and dehydrated malic anhydride, is an important unsaturated organic anhydride basic raw material. It is used in pesticide production to synthesize the intermediate of organic phosphorus insecticides, diethyl maleate, and 1-phenyl-3,6-dihydroxypyridazine, the intermediate of pyridazinon, As well as intermediates of pyrethroid insecticides such as permethrin, fungicides, and chloramphenicol, they are also used in the production of unsaturated polyester resins, ink additives, paper additives, coatings, pharmaceutical and food industries.

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