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Synthesis Ethyl Acetate
合成乙酸乙酯
今欲合成乙酸乙酯,其法乃以乙醇与乙酸为原料,加浓硫酸作催化剂,共置于烧瓶之中。以酒精灯缓缓加热,使二者发生酯化反应。
观其反应之理,乙醇中羟基之氢与乙酸中羧基之羟基相结合,成水分子逸出,余者乙醇之乙氧基与乙酸之乙酰基相连,遂得乙酸乙酯。
反应之时,需留意控温,勿使温度过高致原料挥发,亦防副反应生。且浓硫酸具强腐蚀性,取用之际,当万分小心。
待反应毕,产物以分液漏斗分离,后经蒸馏提纯,可得纯净之乙酸乙酯。此化合物用途颇广,于香料、溶剂等诸多领域皆不可或缺。
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+8615371019725
Yana Yang
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