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　　順酐（馬來酸酐）的爆炸極限為1.4-7.1%。

　　The explosive limit of maleic anhydride is 1.4-7.1%.

　　順酐，又稱馬來酸酐，化學式為C4H2O3，在室溫下為有強烈刺激性氣味的白色晶體，熔點為51-56℃，沸點為202℃。順酐易溶于水、丙酮、苯、氯仿等多數有機溶劑，且與水、強氧化劑、堿金屬、強堿、胺、常見的金屬、聚合催化劑和促進劑等不相容。

　　Maleic anhydride, also known as maleic anhydride, has the chemical formula C4H2O3. It is a white crystal with a strong pungent odor at room temperature, with a melting point of 51-56 ℃ and a boiling point of 202 ℃. Maleic anhydride is easily soluble in most organic solvents such as water, acetone, benzene, chloroform, and is incompatible with water, strong oxidants, alkali metals, strong bases, amines, the most common metals, polymerization catalysts, and promoters.

　　在儲存時，順酐應密封保存，并避免高于30℃的環境。此外，順酐具有易燃性，因此在處理時應特別注意措施

　　When storing, maleic anhydride should be sealed and kept away from environments above 30 ℃. In addition, maleic anhydride is flammable, so special attention should be paid to safety measures when handling it

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　　This article is assisted by a manufacturer of maleic anhydride. For more related content, please click: http://m.gddxcpa.com I hope this article can be helpful to you. Thank you for reading!