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乙醇（Ethanol）俗称酒精，是一种有机物，结构简式CH₃CH₂OH或C₂H₅OH，分子式C₂H₆O，是最常见的一元醇。乙醇在常温常压下是一种易燃、易挥发的无色透明液体，低毒性，纯液体不可直接饮用；具有特殊香味，并略带刺激；微甘，并伴有刺