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href=\"\u002Fen\u002Fcas\u002F330-54-1_238044.html#duXinDiv\">敌草隆毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>1.由3,4-二氯苯胺、光气和二甲胺为原料合成。\u003C\u002Fp>\u003Cp>2.对氯硝基苯与适量催化剂无水ＦｅＣｌ３混合后，在一定温度下通氯气进行氯化反应制得3,4-二氯硝基苯。将该硝基化合物还原，制得3,4-二氯苯胺。将得到的3,4-二氯苯胺滴加到已通入光气饱和的甲苯溶液中，反应得到3,4-二氯异氰酸苯酯。最后3,4-二氯异氰酸苯酯与二甲胺反应得到敌草隆。\u003C\u002Fp>\u003Cp>3.氯化将一定量熔融脱水的对氯硝基苯与适量催化剂无水犉犲犆犾3混合后，升温至100～105℃，开始通氯，氯化温度100～110℃，反应8～9h制得3,4-二氯硝基苯。\u003C\u002Fp>\u003Cp>4.还原将上述硝基化合物还原，制得3,4-二氯硝基苯。\u003C\u002Fp>\u003Cp>目前国内还有采用在电解质中铁粉和水还原的方法生产。操作过程：将计量的水、铁粉、少量盐酸、电解质氯化铵和硫酸铜混合后，升温至95～100℃后，滴加2,4-二氯硝基苯，并保持在回流状态（105～110℃）反应3h，过滤，脱水得3,4-二氯苯胺。\u003C\u002Fp>\u003Cp>5.酯化将甲苯溶液于0℃通光气饱和，然后滴加3,4-二氯苯胺，控制0～10℃，约15min加毕，接着继续通入光气，缓慢提高反应温度至40℃，加大光气流量，再升温至65～75℃，反应1～2h，物料变清，停通光气，迅速升温至90～100℃，通氮气或干燥空气，驱除过量光气和盐酸气，得3,4-二氯异氰酸苯酯。\u003C\u002Fp>\u003Cp>6.加成3,4-二氯异氰酸苯酯与溶剂甲苯混合，冷至20℃以下，加入40%二甲胺水溶液（酯胺比为1∶1.05），温度自行上升至34℃，控制不超过50℃，反应2h，pH值为7～8，然后离心过滤，回收溶剂，滤饼水洗呈中性后于90～100℃干燥，制得敌草隆。\u003C\u002Fp>","\u003Ctd>\n\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 61904 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 330-54-1 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 敌草隆 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> Diuron；N-(3,4-Dichlorophenyl)-N',N'-dimethylurea \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> N-(3，4-二氯苯基)-N'，N'-二甲基脲 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子式: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> C\u003Csub>9\u003C\u002Fsub>H\u003Csub>10\u003C\u002Fsub>Cl\u003Csub>2\u003C\u002Fsub>N\u003Csub>2\u003C\u002Fsub>O \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子量: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 233.10 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 熔 点: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 158～159℃ 沸点：180 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 相对密度(空气=1)8.04 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 50℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 微溶于水、烃类 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 稳定性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 稳定 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 外观与性状: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 纯品为白色无臭晶体 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 危险标记: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 15(有害品，远离食品) \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 用 途: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 用于除草 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr \u002F>\n\n\u003Cb> 2.对环境的影响: \u003C\u002Fb>\n\u003Cbr \u002F> 一、健康危害 \n\u003Cbr \u002F> 侵入途径：吸入、食入、经皮吸收。\n\u003Cbr \u002F>健康危害：本品属低毒除草剂。误服会中毒。对粘膜和上呼吸道有刺激作用。 \n\u003Cbr \u002F> 二、毒理学资料及环境行为 \n\u003Cbr \u002F>毒性：属低毒类。\n\u003Cbr \u002F>急性毒性：LD\n\u003Csub>50\u003C\u002Fsub>3400mg\u002Fkg(大鼠经口)；人经口500mg\u002Fkg，最小致死剂量。\n\u003Cbr \u002F>亚急性和慢性毒性：大鼠经口5000ppm×90日，未引起死亡，但体重下降，红细胞减少。 \n\u003Cbr \u002F>危险特性：遇明火、高热可燃。受高热分解，放出有毒的烟气。\n\u003Cbr \u002F>燃烧(分解)产物：一氧化碳、二氧化碳、氮氧化物、氯化氢。 \n\u003Cbr \u002F>\n\n\u003Cb> 3.现场应急监测方法: \u003C\u002Fb>\n\u003Cbr \u002F>\n\n\u003Cb> 4.实验室监测方法: \u003C\u002Fb>\n\u003Cbr \u002F>\n\u003Cbr \u002F> 气相色谱法《现代环境监测方法》(水、粮食和土壤)张晓林等主编 \n\u003Cbr \u002F>\n\n\u003Cb> 5.环境标准: \u003C\u002Fb>\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>前苏联(1975)\u003C\u002Ftd>\n\u003Ctd>车间空气中有害物质的最高容许浓度\u003C\u002Ftd>\n\u003Ctd>5mg\u002Fm\u003Csup>3\u003C\u002Fsup>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>前苏联(1978)\u003C\u002Ftd>\n\u003Ctd>环境空气中最高容许浓度\u003C\u002Ftd>\n\u003Ctd>0.05mg\u002Fm\u003Csup>3\u003C\u002Fsup>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>前苏联(1978)\u003C\u002Ftd>\n\u003Ctd>渔业用水中最高容许浓度\u003C\u002Ftd>\n\u003Ctd>1.5μg\u002FL\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>前苏联(1978)\u003C\u002Ftd>\n\u003Ctd>地面水中有害有机物的最大允许浓度\u003C\u002Ftd>\n\u003Ctd>1.0mg\u002FL\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>前苏联(1975)\u003C\u002Ftd>\n\u003Ctd>污水中有机物最大允许浓度\u003C\u002Ftd>\n\u003Ctd>10mg\u002FL\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>联合国规划署(1974)\u003C\u002Ftd>\n\u003Ctd>保护水生生物淡水中农药的最大允许浓度\u003C\u002Ftd>\n\u003Ctd>1.6μg\u002FL  \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\n\u003Cb>6.应急处理处置方法:\u003C\u002Fb>\n\u003Cbr \u002F> 一、泄漏应急处理 \n\u003Cbr \u002F>隔离泄漏污染区，周围设警告标志，建议应急处理人员戴好口罩、护目镜，穿工作服。小心扫起，置于袋中转移至安全场所。也可以用大量水冲洗，经稀释的洗水放入废水系统。如大量泄漏，收集回收或无害处理后废弃。 \n\u003Cbr \u002F> 二、防护措施 \n\u003Cbr \u002F> 呼吸系统防护：生产操作或农业使用时，佩带防毒口罩。必要时佩戴防毒面具。\n\u003Cbr \u002F>眼睛防护：必要时可采用安全面罩。\n\u003Cbr \u002F>身体防护：穿紧袖工作服，长筒胶鞋。\n\u003Cbr \u002F>手防护：必要时戴防护手套。\n\u003Cbr \u002F>其它：工作现场严禁吸烟、进食和饮水。工作后，淋浴更衣。注意个人清洁卫生。 \n\u003Cbr \u002F> 三、急救措施 \n\u003Cbr \u002F> 皮肤接触：用肥皂水及清水彻底冲洗。就医。\n\u003Cbr \u002F>眼睛接触：拉开眼睑，用流动清水冲洗15分钟。就医。\n\u003Cbr \u002F>吸入：脱离现场至空气新鲜处。就医。 \n\u003Cbr \u002F>食入：误服者，饮适量温水，催吐。就医。 \n\u003Cbr \u002F> 灭火方法：泡沫、干粉、砂土、水。\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\n\u003Cbr \u002F>\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[392,398,404,410,416,422],{"slug":393,"cid":394,"name":395,"nameZh":396,"cas":397},"785880457651687424","J-1106117-7","1-Methoxypyrene","1-甲氧基芘","34246-96-3",{"slug":399,"cid":400,"name":401,"nameZh":402,"cas":403},"785876747198402560","J-14318-7","Ruthenocene","二茂钌","1287-13-4",{"slug":405,"cid":406,"name":407,"nameZh":408,"cas":409},"785888446215360512","J-24921-8","1-Pyrenecarboxaldehyde","1-芘甲醛","3029-19-4",{"slug":411,"cid":412,"name":413,"nameZh":414,"cas":415},"785897360059273216","J-1453000-3","1,10-Phenanthroline-2,9-dicarbaldehyde","1,10-菲啰啉-2,9-二甲醛","57709-62-3",{"slug":417,"cid":418,"name":419,"nameZh":420,"cas":421},"785873393281929216","J-1107012-2","Dropropizine","羟丙哌嗪","17692-31-8",{"slug":423,"cid":424,"name":425,"nameZh":426,"cas":427},"785898485864992768","J-50492-0","Fibrinogen (Bovine)","纤维蛋白原","9001-32-5",1792647584982,"zh-CN",[]]