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空气中，当羟基自由基浓度为5.00×10\u003Csup>5\u003C\u002Fsup>个\u002Fcm\u003Csup>3\u003C\u002Fsup>时，降解半衰期为31h（理论）。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"\u002Fen\u002Fcas\u002F540-59-0_123240.html#duXinDiv\">二氯乙烯毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Ctd>\n\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 32040 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 540-59-0 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 1，2-二氯乙烯 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 1,2-dichloroethylene \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 二氯化乙炔、均二氯乙烯 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子式: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> C\u003Csub>2\u003C\u002Fsub>H\u003Csub>2\u003C\u002Fsub>Cl\u003Csub>2\u003C\u002Fsub>；ClHCCHCl \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子量: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 96.94 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 熔 点: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> -80.5℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 相对密度(水=1)1.29； \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 6℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 不溶于水，溶于醇、醚等 \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> 无色略带刺激气味的易挥发液体 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 危险标记: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 7(中闪点易燃液体) \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 用 途: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 用作萃取剂、冷冻剂，也用作溶剂 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr \u002F>\n\u003Cb> 2.对环境的影响: \u003C\u002Fb>\n\u003Cp>一、健康危害\u003C\u002Fp>\n\u003Cp>侵入途径：吸入、食入、经皮吸收。 健康危害：主要影响中枢神经系统，并有眼及上呼吸道刺激症状。 急性中毒：短时间接触低浓度，眼及咽喉部烧灼感；浓度增高，有眩晕、恶心、呕吐甚至酩酊状；吸入高浓度还可致死。可致角膜损伤及皮肤灼伤。 慢性影响：长期接触，除粘膜刺激症状外，常伴有神经衰弱综合征。\u003C\u002Fp>\n\u003Cp>二、毒理学资料及环境行为\u003C\u002Fp>\n\u003Cp>急性毒性：LD50770mg\u002Fkg(大鼠经口)；人吸入3.3g\u002Fm3×15分钟，中度眩晕；人吸入3.8～8.8g\u002Fm3×2～3分钟，恶心，脱离80分钟后仍有恶心。 亚急性和慢性毒性：大鼠吸入200ppm×8小时\u002F日×5日\u002F周×16周，白细胞总数降低，肝肺损害。刺激性：家兔经皮：100mg(24小时)，中度刺激。致突变性：性染色缺失和不分离：构巢曲霉750ppm。\u003C\u002Fp>\n\u003Cp>危险特性：易燃，其蒸气与空气可形成爆炸性混合物。遇明火、高热能引起燃烧爆炸。在空气中受热分解释出剧毒的光气和氯化氢气体。与氧化剂能发生强烈反应。与铜及其合金有可能生成具有爆炸性的氯乙炔。其蒸气比空气重，能在较低处扩散到相当远的地方，遇明火会引着回燃。 燃烧(分解)产物：一氧化碳、二氧化碳、氯化氢、光气。\u003C\u002Fp>\n\n\u003Cb>3.现场应急监测方法: \u003C\u002Fb>\n\u003Cp>便携式气相色谱法\u003C\u002Fp>\n\n\u003Cb>4.实验室监测方法: \u003C\u002Fb>\n\u003Cp>吹扫捕集-气相色谱法(中国环境监测总站，水质)气相色谱法《水和废水标准检验法》第19版译文，江苏省环境监测中心色谱\u002F质谱法 美国EPA524.2方法\u003C\u002Fp>\n\n\u003Cb>5.环境标准: \u003C\u002Fb>\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>前苏联\u003C\u002Ftd>\n\u003Ctd>车间空气中有害物质的最高容许浓度\u003C\u002Ftd>\n\u003Ctd>10mg\u002Fm\u003Csup>3\u003C\u002Fsup> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>日本(1993)\u003C\u002Ftd>\n\u003Ctd>环境标准\u003C\u002Ftd>\n\u003Ctd>地面水：0.004mg\u002FL\u003Cbr \u002F>废水：0.04mg\u002FL\u003Cbr \u002F>土壤浸出液：0.004mg\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\u003Cp>一、泄漏应急处理\u003C\u002Fp>\n\u003Cp>迅速撤离泄漏污染区人员至安全区，并进行隔离，严格限制出入。切断火源。建议应急处理人员戴自给正压式呼吸器，穿消防防护服。从上风处时入现场。尽可能切断泄漏源。防止进入下水道、排洪沟等限制性空间。小量泄漏：用砂土或其它不燃材料吸附或吸收。也可以用不燃性分散剂制成的乳液刷洗，洗液稀释后放入废水系统。大量泄漏：构筑围堤或挖坑收容；用泡沫覆盖，抑制蒸发。用防爆泵转移至槽车或专用收集器内，回收或运至废物处理场所处置。 废弃物处置方法：建议用焚烧法处理。废弃物和其它燃料混合焚烧，燃烧要充分，防止生成光气。焚烧炉排出的卤化氢通过酸洗涤器除去。\u003C\u002Fp>\n\u003Cp>二、防护措施\u003C\u002Fp>\n\u003Cp>呼吸系统防护：空气中浓度超标时，应该佩戴过滤式防毒面具(半面罩)。紧急事态抢救可撤离时，佩戴隔离式呼吸器。眼睛防护：戴化学安全防护眼镜。身体防护：穿防静电工作服。手防护：戴橡胶手套。其它：工作现场禁止吸烟、进食和饮水。工作毕，淋浴更衣。注意个人清洁卫生。\u003C\u002Fp>\n\u003Cp>三、急救措施\u003C\u002Fp>\n\u003Cp>皮肤接触：立即脱去被污染的衣着，用大量流动清水冲洗，至少15分钟。就医。眼睛接触：立即提起眼睑，用大量流动清水或生理盐水彻底冲洗至少15分钟。就医。吸入：迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难，给输氧。如呼吸停止，立即进行人工呼吸。就医。食入：误服者用水漱口，给饮牛奶或蛋清。就医。\u003C\u002Fp>\n\u003Cp>灭火方法：尽可能将容器从火场移至空旷处。时节水保持火场容器冷却，直至灭火结束。处在火场中的容器若已变色或从安全泄压装置中产生声音，必须马上撤离。灭火剂：雾状水、泡沫、干粉、二氧化碳、砂土。用水灭火无效。\u003C\u002Fp>\n\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[418,424,430,436,442,448,454,460,466,472,478,484],{"slug":419,"cid":420,"name":421,"nameZh":422,"cas":423},"785882042352013312","J-21977-2","Cycloheptane","环庚烷","291-64-5",{"slug":425,"cid":426,"name":427,"nameZh":428,"cas":429},"785883203456995328","J-1154283-9","3,3-Dimethylpyrrolidine","3,3-二甲基吡咯烷","3437-30-7",{"slug":431,"cid":432,"name":433,"nameZh":434,"cas":435},"785872993652838400","J-1993580-9","Oxepane","氧杂环庚烷","592-90-5",{"slug":437,"cid":438,"name":439,"nameZh":440,"cas":441},"785883885836701696","J-41075-3","3-Aminopentane","3-氨基戊烷","616-24-0",{"slug":443,"cid":444,"name":445,"nameZh":446,"cas":447},"785888712742408192","J-922352-3","2-Methylpyrrolidine","2-甲基吡咯烷","765-38-8",{"slug":449,"cid":450,"name":451,"nameZh":452,"cas":453},"785894875575881728","J-39466-1","1,3-difluoropropane","1,3-二氟丙烷","462-39-5",{"slug":455,"cid":456,"name":457,"nameZh":458,"cas":459},"785892634022383616","J-33208-1","Allylthiourea","烯丙基硫脲","109-57-9",{"slug":461,"cid":462,"name":463,"nameZh":464,"cas":465},"785884697602297856","J-23915-6","Chlorotrifluoroethylene","三氟氯乙烯","79-38-9",{"slug":467,"cid":468,"name":469,"nameZh":470,"cas":471},"785889302788706304","J-27201-5","3-chlorocyclohexene","3-氯环己烯","2441-97-6",{"slug":473,"cid":474,"name":475,"nameZh":476,"cas":477},"785883357849325568","J-7986-7","Polydimethylsiloxane","聚二甲基硅氧烷","9016-00-6",{"slug":479,"cid":480,"name":481,"nameZh":482,"cas":483},"785881264988098560","J-1361623-4","3-Chlorohexane","3-氯己烷","2346-81-8",{"slug":485,"cid":486,"name":487,"nameZh":488,"cas":489},"785871875082293248","J-1990124-7","2-Ethyl-2-hexenal","2-乙基-2-己烯醛","645-62-5",1794253035822,"zh-CN",[]]