搜索 - 科创

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ICl作为经典的卤素互化物是有机实验中常用的碘化剂，可用来测定不饱和化合物的碘值。它还有一个特殊的本领：可以腐蚀Au。

卤素单质、卤素互化物、多卤离子、氢卤酸溶液对金属仪器有极强的腐蚀性，前3者可以瞬间溶解黄金！实验全程严厉禁止使用金属仪器，包括金属药勺等，否则仪器和产物都会被毁掉！

其次，ICl等卤素互化物是较弱的亲电试剂（显然由于氯电负性低于N、O等导致的，而且没法被质子酸活化，只能被路易斯酸活化），适用于富电子芳环，而2,6-萘二甲酸已经是非常显著的缺电子芳环了，反应24h很可能根本毫无变化

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