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百草枯(paraquat,PQ)又名克芜踪、对草快,化学名称是1-1-二甲基-4-4-联吡啶阳离子盐,主要成分是1,1’二甲基4,4’二氯二吡啶,分子式为C12H14Cl2N2,是目前在世界范围内广泛使用的有机杂环类接触性脱叶剂及除草剂,易溶于水,微溶于酒精,在酸性及中性环境中稳定,遇碱易分解。PQ对人畜都具有极大的毒性,可经消化道、呼吸道及完整
Paraquat (PQ), also known as gram Wu trace, the grass fast, the chemical name is 1-1-dimethyl -4-4-bipyridinium cation salt, the main component is 1,1 ’dimethyl 4,4 ’Dichlorodipyridine, molecular formula C12H14Cl2N2, is widely used in the worldwide organic heterocyclic contact de-leafing agent and herbicide, soluble in water, slightly soluble in alcohol, stable in acidic and neutral environment In case of alkali easy decomposition. PQ is extremely toxic to humans and animals and can pass through the digestive tract, respiratory tract and integrity