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一、順酐的定義和危險性

1、 Definition and danger of maleic anhydride

順酐，又稱1,4-環己二酮，是一種無色透明、帶有芳香氣味的結晶狀物質，是一種有機化合物。順酐易燃、易爆、有毒，是一種危險品類。

Maleic anhydride, also known as 1,4-cyclohexanedione, is a colorless, transparent, aromatic crystalline substance and an organic compound. Maleic anhydride is flammable, explosive, and toxic, and is a hazardous class.

順酐易燃，可以在空氣中自燃，接觸火源易爆炸。順酐在水中不溶，但可以溶于醇類和酮類物質，與酸、堿、氧化劑皆有反應。

Maleic anhydride is flammable and can self ignite in the air. It is prone to explosion when in contact with a fire source. Maleic anhydride is insoluble in water, but can dissolve in alcohols and ketones, and reacts with acids, bases, and oxidants.

二、順酐的儲存和使用

2、 Storage and Use Safety of Maleic Anhydride

1.儲存

1. Storage security

儲存順酐時，應防火、防潮、防曬、防高溫。順酐的儲存溫度應在5℃以下，相對濕度應小于85%。另外，在儲存時要防止與其它易燃、易爆、有毒物品混放，避免發生危險反應。

When storing maleic anhydride, it should be fireproof, moisture-proof, sun proof, and heat-resistant. The storage temperature of maleic anhydride should be below 5 ℃ and the relative humidity should be less than 85%. In addition, during storage, it is necessary to prevent mixing with other flammable, explosive, and toxic substances to avoid dangerous reactions.

2.使用

2. Use Safety

使用順酐時，使用人員應穿戴好相應的防護裝備，操作過程中要注意防護眼睛、呼吸系統和皮膚。使用后應立即清洗設備，防止順酐殘留導致后續操作的危險。

When using maleic anhydride, the user should wear corresponding safety protective equipment, and pay attention to protecting the eyes, respiratory system, and skin during operation. After use, the equipment should be cleaned immediately to prevent the danger of residual maleic anhydride in subsequent operations.

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