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常見(jiàn)問(wèn)題
順酐的特性
Characteristics of Maleic Anhydride
物理性質(zhì)：順酐是一種有強(qiáng)烈刺激氣味的無(wú)色結(jié)晶粉末，室溫下為白色晶體。其密度為1.484g/cm3，熔點(diǎn)為51-56℃，沸點(diǎn)為202℃，閃點(diǎn)為103.3℃。
Physical properties: Maleic anhydride is a colorless crystalline powder with a strong pungent odor, and is a white crystal at room temperature. Its density is 1.484g/cm 3, melting point is 51-56 ℃, boiling point is 202 ℃, and flash point is 103.3 ℃.
化學(xué)性質(zhì)：順酐可溶于乙醇、乙醚和丙酮，但難溶于石油醚和四氯化碳。它可以與熱水作用形成馬來(lái)酸。
Chemical properties: Maleic anhydride is soluble in ethanol, ether, and acetone, but insoluble in petroleum ether and carbon tetrachloride. It can react with hot water to form maleic acid.
順酐的用途
The use of maleic anhydride
化學(xué)工業(yè)：
Chemical Industry:
聚酯樹(shù)脂：順酐是不飽和聚酯樹(shù)脂和醇酸樹(shù)脂的重要原料。
Production of polyester resin: Maleic anhydride is an important raw material for producing unsaturated polyester resin and alkyd resin.
有機(jī)合成：在有機(jī)合成中，順酐可用于制造丁二酸、丁二酸酐等化合物。
Organic synthesis: In organic synthesis, maleic anhydride can be used to manufacture compounds such as succinic acid and succinic anhydride.
醫(yī)藥工業(yè)：
Pharmaceutical industry:
順酐用于制造長(zhǎng)效磺胺等藥物，以及其他各種醫(yī)藥中間體。
Maleic anhydride is used to manufacture long-acting sulfonamide and other pharmaceutical intermediates.
農(nóng)藥工業(yè)：
Pesticide industry:
作為農(nóng)藥馬拉硫磷、低毒農(nóng)藥4049、長(zhǎng)效碘胺等的原料。
As a raw material for pesticides such as malathion, efficient and low toxicity pesticide 4049, and long-acting iodamine.
染料和涂料工業(yè)：
Dyes and Coatings Industry:
順酐用于制造染料中間體，以及涂料、油墨助劑。
Maleic anhydride is used to manufacture dye intermediates, as well as coatings and ink additives.
其他應(yīng)用：
Other applications:
順酐還可用作脂肪和油的防腐劑。
Maleic anhydride can also be used as a preservative for fats and oils.
在食品工業(yè)中，順酐用于制造酸味劑蘋(píng)果酸及酒石酸等。
In the food industry, maleic anhydride is used to manufacture acidic agents such as malic acid and tartaric acid.
作為環(huán)氧樹(shù)脂的固化劑。
As a curing agent for epoxy resin.
注意事項(xiàng)
matters needing attention
由于順酐屬于八類(lèi)危險(xiǎn)品，其具有強(qiáng)烈的刺激性氣味，因此在處理和儲(chǔ)存時(shí)需要特別小心。
Due to the fact that maleic anhydride belongs to Class 8 hazardous materials and has a strong irritating odor, special care is required during handling and storage.
在處理順酐時(shí)，應(yīng)采取適當(dāng)?shù)姆雷o(hù)措施，如戴防毒口罩、穿化學(xué)防護(hù)服等。
When handling maleic anhydride, appropriate protective measures should be taken, such as wearing gas masks and chemical protective clothing.
本文由順酐廠(chǎng)家友情奉獻(xiàn).更多有關(guān)的知識(shí)請(qǐng)點(diǎn)擊:http://m.gzuvafuz.cn真誠(chéng)的態(tài)度.為您提供為的服務(wù).更多有關(guān)的知識(shí)我們將會(huì)陸續(xù)向大家奉獻(xiàn).敬請(qǐng)期待.
This article is a friendly contribution from maleic anhydride manufacturers. For more information, please click: http://m.gzuvafuz.cn Sincere attitude. We will provide you with comprehensive service. We will gradually contribute more relevant knowledge to everyone. Stay tuned