有机磷农药中毒 ORGANOPHORUS PESTICIDES POISONING 复旦大学华山职业病科吕玲 LV LING DEPARTMENT OF OCCUPATIONAL DISEASE HUASHAN HOSPITAL FUDAN MEDICAL COLLEGE
有机磷农药特性 (Specific Properties) 1.化学基本结构( Chemical basic structure) R1-OYR1,R2为甲烷基或乙烷基 X为烷氧基,丙基或其他 R2-0 XY为氧或硫
2.理化特性( Physical and Chemical Property) 大多呈油状或结晶状,色泽由淡黄色至棕色, 稍挥发性,具有大蒜样臭味,难溶于水,溶 于有机溶剂。在碱性条件下易分解失效。敌 百虫例外 A oil or crystalline substance, that is yellow to brown possessing an unpleasant smell. Insoluble in water; soluble in organic liquid. Easily dissolved in alkalization condition
3. Degree of toxicity 由于取代基不同,有机磷农药毒性 相差很大,但大多为高毒或剧种。 A lot of are highly or extremely toxic substances
、中毒原因(uses) 1.生产性中毒( Used in agriculture) 2.生活性中毒( Used in life