苯作为基本的化工原料,工业上应用非常广泛。在我国,苯作为溶剂的使用量,占总用量的90％,仅有10％用于合成工业。而美国、日本等工业国家与我国不同,日、美等国家早已禁止或限制苯作为溶剂使用,苯化合物仅用作化工原料。苯进入人体内经过代谢可产生氢醌和半醌类自由基,自由基可引起 Benzene as a basic chemical raw materials, industrial applications are very extensive. In China, the amount of benzene used as a solvent, accounting for 90% of the total amount, only 10% for the synthetic industry. The United States, Japan and other industrial countries and our country is different, Japan, the United States and other countries have long been banned or restricted benzene as a solvent, benzene compounds used only as chemical raw materials. Benzene into the human body through metabolism can produce hydroquinone and semiquinone free radicals, free radicals can cause