625-35-4 巴豆酰氯

运输信息：冰袋运输。危险描述：危险品运输编号UN 2920 8/PG 2，WGK Germany:3，F:13-19-21，TSCA:Yes，危险等级8，包装类别II，海关编码29161900，存储类别3-易燃液体，危险性类别：危害水生环境-长期危害 类别3，严重眼损伤 类别1，易燃液体 类别3，皮肤腐蚀 类别1B，特异性靶器官毒性-一次接触，类别3。

常用于制备丁烯酸酯类和其他衍生物

化学合成

合成路线 1（1. 合成：625-35-4）

• 步骤: 首先将1kg巴豆酸加入到5L反应烧瓶中，缓慢搅拌下加入1650mL（1.5mol）亚硫酰氯，释放大量HCl气体；室温搅拌至气体排放减缓，缓慢升温至回流；反应完成后常压蒸馏，收集116-124℃馏分，得到871g巴豆酰氯。
• 条件: 20℃（室温）；回流；常压蒸馏
• 产率: 72%
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