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          順酐

          順酐

          順酐,又稱順丁烯二酸酐,馬來酸酐,2,5-呋喃二酮等。斜方晶系無色針狀或片狀結晶。有強烈刺激味道,溶于乙醇、乙醚和丙酮,難溶于石油醚和四氯化碳。與開水效用而成馬來酸。主要用以生產不飽和聚酯樹脂、醇酸樹脂、農藥馬拉硫磷、高效低毒農藥4049、長效碘胺的原材料。

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