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新《生活饮用水卫生标准》GB5749-项目解读:莠去津
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关键词:莠去津 生活饮用水 胺基

莠去津

除草剂

英文名称: Atrazine.

化学式:C8H14CLN5

其它名称: 阿特拉津

化学名称:2-氯-4-二乙胺基-6-异丙胺基-1,3,5-嗪

主要理化性质:纯品为白色结晶,熔点为173-175度,25度在水中溶解度为33ug/ml,微溶于有机溶剂。在微酸或微碱性介质中较稳定,在高温下,能被强酸和碱水解,不可燃,不爆炸,无腐蚀性。

毒性: 对人畜低毒,大鼠急性经口LD50为1780毫克/公斤,对兔急性经皮LD50为7000毫克/公斤,对大鼠慢性毒性经口无作用剂量为1000毫克/公斤。

Synonyms Atrazine 2-Chloro-4-(ethylamino)-6-(isopropylamino)-s-triazine Analytical Methods EPA Method 505

EPA Method 525

EPA Method 619

EPA Method 8141A

Molecular Formula C8H14ClN5 Use ATRAZINE IS A WIDELY USED SELECTIVE HERBICIDE FOR CONTROL OF BROADLEAF & GRASSY WEEDS IN CORN, SORGHUM, RANGELAND, SUGARCANE, MACADAMIA ORCHARDS, PINEAPPLE, & TURF GRASS SOD. IT IS USED ALSO IN SOME AREAS FOR SELECTIVE WEED CONTROL IN CONIFER REFORESTATION & CHRISTMAS TREE PLANTATION AS WELL AS FOR NONSELECTIVE CONTROL OF VEGETATION IN CHEMICAL FALLOW. ATRAZINE ALSO IS USED AS A NONSELECTIVE HERBICIDE FOR VEGETATION CONTROL IN NONCROP LAND. Selective pre- & post-emergence herbicide used in asparagus, forestry, grasslands, grass crops, roses. Crisazina pre and early postemergence on African oil palm, bananas, citrus groves, coffee, corn, pineapples, sorghum, sugarcane. Consumption Patterns 96% AS AN AGRICULTURAL HERBICIDE FOR GRASSES & BROADLEAF WEEDS (PRINCIPALLY ON CORN, SORGHUM & SUGARCANE); 2% AS A HERBICIDE IN INDUSTRIAL & COMMERCIAL APPLICATIONS (IN RE-FORESTATION); 2% AS A HERBICIDE FOR HOME & GARDEN USE (ON TURF) (1972). Apparent Color WHITE, CRYSTALLINE ; COLORLESS POWDER Odor Odorless Melting Point 171-174 DEG C Molecular Weight 215.68 Density 1.187 g/cu cm 20 deg C Environmental Impact Atrazine may be released into the environment via effluents at manufacturing sites and at points of application where it is employed as a herbicide. The s- triazine ring of atrazine is fairly
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