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暂无资料\u003C\u002Fp>\n\u003Cp>2.生物降解性 暂无资料\u003C\u002Fp>\n\u003Cp>3.非生物降解性 暂无资料\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"\u002Fen\u002Fcas\u002F75-78-5_1101383.html#duXinDiv\">二甲基二氯硅烷毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>（1）现在工业上均采用直接法。生产中以铜或铜盐为催化剂，在300℃左右使一氯甲烷与硅粉直接反应，这是一个复杂的非均相反应，反应混合物主要含二甲基二氯硅烷（占75%）、一甲基三氯硅烷（占20-30%）、三甲基一氯硅烷（占5%）及甲基二氯硅烷；这些组分的沸点分别是70℃，66.4℃，57.9℃和41℃，采用乳化塔进行分离。根据需要，其组成可以通过变更操作条件进行调节。\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>（2）格氏试剂法 F.S.Kipping及其合作者们经过长期努力研究，利用格氏试剂法合成了大量的有机硅化合物。其特点在于：产物组分较少，能用于制备混合烃基硅烷，能副产金属盐，可使相同的有机集团如烷基、烯基、芳基等连在硅原子形成单体。缺点在于：需要使用易燃的乙醚或其他溶剂，不仅消耗量大，且易燃易爆，生产不安全；工艺步骤多而复杂；原料四氯化硅、格氏试剂价格昂贵，成本高，不宜于进行工业大生产。\u003C\u002Fp>\u003Cp>（3）缩合法（取代法） 由氯硅烷（主要为含氢氯硅烷）与烃或卤代烃反应，在高温或催化剂的作用下，缩合生成有机氯硅烷的方法，又可称为热缩合法。把缩合过程看作是硅烷上的氢或氯被烃基取代的过程，缩合法还可称为取代法。\u003C\u002Fp>\u003Cp>（4）歧化（再分配）法 指使用一定的催化剂，将硅烷中的取代基进行再分配，生成新的有机卤硅烷的方法，故又称再分配法。其突出优点是可解决单体生产中的不平衡问题，可实现综合利用并降低生产成本。\u003C\u002Fp>","\u003Ctd>\n\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 32186 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 75-78-5 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 二甲基二氯硅烷 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> dimethyldichlorosilane；dichlorodimethylsilane \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 二氯二甲基硅烷 \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>6\u003C\u002Fsub>Cl\u003Csub>2\u003C\u002Fsub>Si；(CH\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>SiCl\u003Csub>2\u003C\u002Fsub> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子量: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 129.06 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 熔 点: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> <-86℃ 沸点：70.5℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 相对密度(水=1)1.07； \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> -16℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 溶于苯、乙醚 \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> 无色液体，在潮湿空气中发烟 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 危险标记: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 7(易燃液体)，20(腐蚀品) \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 用 途: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 用作硅酮制造的中间体 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr \u002F>\n\u003Cp>2.对环境的影响: 一、健康危害 侵入途径：吸入、食入、经皮吸收。 健康危害：对呼吸道和眼睛、皮肤粘膜有强烈刺激作用。吸入后可因喉、支气管的痉挛、水肿，化学性肺炎、肺炎、肺水肿而致死。接触本品的工人可有眼痛、流泪、咳嗽、头痛、恶心、呕吐、喘息、易激动、皮肤发痒等症状。 二、毒理学资料及环境行为 急性毒性：LC504910mg\u002Fm3，4小时(大鼠吸入) 危险特性：易燃，遇高热、明火或与氧化剂接触，有引起燃烧爆炸的危险。受热或遇水分解放热，放出有毒的腐蚀性烟气。具有腐蚀性。 燃烧(分解)产物：一氧化碳、二氧化碳、氧化硅、氯化氢。 3.现场应急监测方法: 　 4.实验室监测方法: 四甲基二氨基二苯甲酮比色法《空气中有害物质的测定方法》(第二版)，杭士平主编 5.环境标准： 中国(TJ36-79)车间空气中有害物质的最高容许浓度 2mg\u002Fm3 6.应急处理处置方法: 一、泄漏应急处理 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。不要直接接触泄漏物。尽可能切断泄漏源，防止进入下水道、排烘沟等限制性空间。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面的乳液刷洗，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，降低蒸气灾害。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。 二、防护措施 呼吸系统防护：可能接触其蒸气时，应该佩戴自吸过滤式防毒面具(全面罩)。紧急事态抢救或撤离时，建议佩戴隔离式呼吸器。 眼睛防护：呼吸系统防护中已作防护。 身体防护：穿胶布防毒衣。 手防护：戴橡胶手套。 其它：工作现场严禁吸烟。工作毕，淋浴更衣。注意个人清洁卫生。 三、急救措施 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。如呼吸停止时，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。 灭火方法：喷水冷却容器，可能的话将容器从火场移至空旷处。灭火剂：二氧化碳、干粉、砂土。禁止用水或泡沫灭火。\u003C\u002Fp>\n\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[416,422,428,434,440,446],{"slug":417,"cid":418,"name":419,"nameZh":420,"cas":421},"785871875082293248","J-1990124-6","2-Ethyl-2-hexenal","2-乙基-2-己烯醛","645-62-5",{"slug":423,"cid":424,"name":425,"nameZh":426,"cas":427},"785889328139079680","J-1360304-7","1-allylpiperazine","1-烯丙基哌嗪","13961-36-9",{"slug":429,"cid":430,"name":431,"nameZh":432,"cas":433},"785892638703226880","J-1118609-6","3-Amino-3-azabicyclo[3.3.0]octane","3-氨基-3-氮杂二环[3.3.0]辛烷","54528-00-6",{"slug":435,"cid":436,"name":437,"nameZh":438,"cas":439},"785889526206697472","J-27934-5","1-Bromo-2-butyne","1-溴-2-丁炔","3355-28-0",{"slug":441,"cid":442,"name":443,"nameZh":444,"cas":445},"785894567730745344","J-38048-3","1,1,1,3,3-Pentafluoropropane","1,1,1,3,3-五氟丙烷","460-73-1",{"slug":447,"cid":448,"name":449,"nameZh":450,"cas":451},"785891800589012992","J-1438923-0","Allyltrimethylammonium 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