苯是煤焦油蒸馏或石油裂化的产物。是一种无色、透明、有芳香味易燃易挥发的液体。苯在工业上的应用较广,主要用作有机溶剂和化工原料。工业上接触苯的工种很多,如苯的合成、炼焦、石油裂化、橡胶、油漆、喷漆、制药、化肥、有机合成、染料、农药、化妆品、人造革和皮革业等。苯主要经呼吸道侵入人体,也可经皮肤吸收少量,偶亦有口服中毒者。吸入后主要 Benzene is the product of coal tar distillation or petroleum cracking. Is a colorless, transparent, fragrant flammable volatile liquid. Benzene widely used in industry, mainly for organic solvents and chemical raw materials. Many types of industrial exposure to benzene, such as benzene synthesis, coking, petroleum cracking, rubber, paint, painting, pharmaceutical, chemical fertilizers, organic synthesis, dyes, pesticides, cosmetics, leather and leather industry. Benzene mainly through the respiratory tract invade the human body, but also through the skin to absorb a small amount, even those who have oral poisoning. Mainly after inhalation