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肼及其衍生物是一类重要的有机化合物,主要包括肼、甲基肼、偏二甲肼和均二甲肼,在工农业生产上可用作防腐剂、杀虫剂、抗氧化剂及制药原料,其中肼和偏二甲肼作为高能燃料,被广泛用于航天工业。肼类化合物通常具有较强的毒性,动物实验结果表明,除了对皮肤、肝脏、肾脏、血液系统和中枢神经系统具有广泛的毒性作用以外,还有可疑的致癌性。因此许多国家都对这类化合物制订了严格的空气质量标准,如美国职业安全卫生管理局(OSHA)颁布的肼、甲基肼、偏二甲肼的卫生标准分别为1 ppm、
Hydrazine and its derivatives are an important class of organic compounds, mainly including hydrazine, methylhydrazine, undecylhydrazine and dimethylhydrazine, which are useful as preservatives, insecticides, antioxidants and pharmaceuticals in industrial and agricultural production Raw materials, including hydrazine and UDMH as high-energy fuel, is widely used in aerospace industry. Hydrazine compounds are generally highly toxic and animal experiments show that there is suspicion of carcinogenicity in addition to their extensive toxic effects on the skin, liver, kidneys, blood system and central nervous system. Therefore, many countries have set stringent air quality standards for such compounds. For example, the health standards of hydrazine, methyl hydrazine and UDMH promulgated by the Occupational Safety and Health Administration (OSHA) in the United States are 1 ppm,