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苯（benzene, C6H6）一、理化性质 苯是一种芳香族烃类化合物，为无色芳香气味的液体。分子量78.11，沸点80.1℃。在常温下，易挥发，燃点低（-12℃），很容易引起燃烧及爆炸。苯是一种不易分解的化合物，与其他化学物发生反应时，基本结构不变。商品苯中混有甲苯、二甲苯、
Benzene (C6H6) First, the physical and chemical properties Benzene is an aromatic hydrocarbon compounds, colorless and aromatic odor of the liquid. Molecular weight of 78.11, the boiling point of 80.1 ℃. At room temperature, volatile, low ignition (-12 ℃), it is easy to cause burning and explosion. Benzene is a non-decomposable compound that reacts with other chemicals without changing its basic structure. Commodity benzene mixed with toluene, xylene,