正已烷(n-Hexane)通常以饱合脂肪烃形式存在于石油中,可从石油分馏和天然气中分离而得。它为无色、易挥发、易燃的液体,有一种微弱的特殊气味,分子量为86.18,沸点为68.74℃。正已烷常单独或与其它有机溶剂混合,用作植物油提取或作粘合剂、油漆、洗涤等的溶剂,也用作化学试剂。正己烷的用途日益广泛,耗用量日增。本文对近年来国外关于正已烷对动物和人体的毒性作用的文献综述如下。1 正已烧的毒性Bastone等报道,大鼠暴露于浓度为5000ppm正已烷,每天16h,共4周,可观察到末梢神经运动传导速度明显下降,肌力降 N-Hexane is usually found in petroleum as a saturated aliphatic hydrocarbon, which can be separated from petroleum fractionation and natural gas. It is a colorless, volatile, flammable liquid with a faint, special odor with a molecular weight of 86.18 and a boiling point of 68.74 ° C. Alkanes are often used alone or mixed with other organic solvents for vegetable oil extraction or as a binder, paint, washing and other solvents, also used as chemical reagents. The use of n-hexane is becoming more widespread and consumes more and more. In this paper, foreign literature on the toxic effects of n-hexane on animals and humans in recent years is summarized as follows. 1 has been burning toxicity Bastone et al reported that rats exposed to 5000ppm concentration of n-hexane, 16h per day, a total of 4 weeks, we can be observed peripheral nerve conduction velocity decreased significantly, muscle strength