Objective:Although Vinyl chloride is a certain carcinogen, the toxicity of VC is also a problem to be resolved according to epidemiological , environmental and biological study.

• 虽然氯乙烯(Vinyl chloride，VC，CH_2=CHCl)是一种已知的致癌剂，但最近流行病学、环境监测及生物机制的研究表明氯乙烯的职业危害问题至今并未完全解决。