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Chemistry","计算化学","1、疏水参数计算参考值（XlogP）：1.5\n2、氢键供体数量：0\n3、氢键受体数量：0\n4、可旋转化学键数量：0\n5、拓扑分子极性表面积（TPSA）：0\n6、重原子数量：3\n7、表面电荷：0\n8、复杂度：2.8\n9、同位素原子数量：0\n10、确定原子立构中心数量：0\n11、不确定原子立构中心数量：0\n12、确定化学键立构中心数量：0\n13、不确定化学键立构中心数量：0\n14、共价键单元数量：1",{"label":245,"labelZh":245,"value":246},"更多","1.性状：无色透明液体，有芳香气味。\n2.熔点（℃）：-95\n3.沸点（℃）：39.8\n4.相对密度（水=1）：1.33\n5.相对蒸气密度（空气=1）：2.93\n6.饱和蒸气压（kPa）：46.5（20℃）\n7.燃烧热（kJ\u002Fmol）：-604.9\n8.临界温度（℃）：237\n9.临界压力（MPa）：6.08\n10.辛醇\u002F水分配系数：1.25\n11.闪点（℃）：-4\n12.引燃温度（℃）：556\n13.爆炸上限（%）：22\n14.爆炸下限（%）：14\n15.溶解性：微溶于水，溶于乙醇、乙醚。\n16.黏度（mPa·s,20ºC）：0.425\n17.相对密度（25℃，4℃）：1.3162\n18.燃点（ºC）：662\n19.蒸发热（KJ\u002Fmol,b.p.）：329.5\n20.熔化热（KJ\u002Fmol）：4.187\n21.生成热（KJ\u002Fmol,25ºC,液体）：121.54\n22.燃烧热（KJ\u002Fkg,25ºC,液体）：558.27\n23.比热容（KJ\u002F(kg·K),20ºC）：0.992\n24.电导率（S\u002Fm,25ºC）：4.3×10\n-11\n25.蒸气压（kPa,0ºC）：19.7\n26.蒸气压（kPa,10ºC）：30.6\n27.蒸气压（kPa,20ºC）：46.5\n28.蒸气压（kPa,30ºC）：68.2\n29.蒸气压（kPa,35ºC）：80.00\n30.体膨胀系数（K\n-1\n,10~40ºC,液体）：0.00137\n31.常温折射率（n\n25\n）：1.4213\n32.偏心因子：0.192\n33.Lennard-Jones参数（A）：9.951\n34.Lennard-Jones参数（K）：150.5\n35.溶度参数(J·cm\n-3\n)\n0.5\n：20.378\n36.van 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class=\"_td_header_1\">\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_1\"> 61552 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_2\">\n\u003Ctd class=\"_td_header_2\">\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_2\"> 75-09-2 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_3\">\n\u003Ctd class=\"_td_header_3\">\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_3\"> 二氯甲烷 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_4\">\n\u003Ctd class=\"_td_header_4\">\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_4\"> dichloromethane \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_5\">\n\u003Ctd class=\"_td_header_5\">\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_5\"> 二叉二氯 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_6\">\n\u003Ctd class=\"_td_header_6\">\u003Cstrong> 分子式: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_6\"> CH\u003Csub>2\u003C\u002Fsub>Cl\u003Csub>2\u003C\u002Fsub>；H\u003Csub>2\u003C\u002Fsub>CCl\u003Csub>2\u003C\u002Fsub> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_7\">\n\u003Ctd class=\"_td_header_7\">\u003Cstrong> 分子量: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_7\"> 84.94 沸点：39.8℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_8\">\n\u003Ctd class=\"_td_header_8\">\u003Cstrong> 熔 点: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_8\"> -96.7℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_9\">\n\u003Ctd class=\"_td_header_9\">\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_9\"> 相对密度(水=1)1.33； \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_10\">\n\u003Ctd class=\"_td_header_10\">\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_10\"> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_11\">\n\u003Ctd class=\"_td_header_11\">\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_11\"> 微溶于水，溶于乙醇、乙醚 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_12\">\n\u003Ctd class=\"_td_header_12\">\u003Cstrong> 稳定性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_12\"> 稳定 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_13\">\n\u003Ctd class=\"_td_header_13\">\u003Cstrong> 外观与性状: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_13\"> 无色透明液体，有芳香气味 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_14\">\n\u003Ctd class=\"_td_header_14\">\u003Cstrong> 危险标记: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_14\"> 15(有害品) \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_15\">\n\u003Ctd class=\"_td_header_15\">\u003Cstrong> 用 途: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_15\"> 用作树脂及塑料工业的溶剂 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr\u002F> 2. 对环境的影响 \n\u003Cbr\u002F> 该物质对环境可能有危害，在地下水中有蓄积作用。对水生生物应给特别注意。还应注意对大气的污染。 \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：本品有麻醉作用，主要损害中枢神经和呼吸系统。人类接触的主要途径是吸入。已经测得，在室内的生产环境中，当使用二氯甲烷作除漆剂时，有高浓度的二氯甲烷存在。一般人群通过周围空气、饮用水和食品的接触，剂量要低得多。据估计，在二氯甲烷的世界产量中，大约80%被释放到大气中去，但是由于该化合物光解的速率很快，使之不可能在大气中蓄积。其初始降解产物为光气和一氧化碳，进而再转变成二氧化碳和盐酸。当二氯甲烷存在于地表水中时，其大部分将蒸发。有氧存在时，则易于生物降解，因而生物蓄积似乎不大可能。但对其在土壤中的行为尚须测定。 \n\u003Cbr\u002F>\u003Cdiv id=\"msdsControl\"> 二、毒理学资料及环境行为 \n\u003Cbr\u002F>毒性：经口属中等毒性。\n\u003Cbr\u002F>急性毒性：LD\n\u003Csub>50\u003C\u002Fsub>1600～2000mg\u002Fkg(大鼠经口)；LC\n\u003Csub>50\u003C\u002Fsub>56.2g\u002Fm\n\u003Csup>3\u003C\u002Fsup>，8小时(小鼠吸入)；小鼠吸入67.4g\u002Fm\n\u003Csup>3\u003C\u002Fsup>×67分钟，致死；人经口20～50ml，轻度中毒；人经口100～150ml，致死；人吸入2.9～4.0g\u002Fm\n\u003Csup>3\u003C\u002Fsup>，20分钟后眩晕。\n\u003Cbr\u002F>亚急性和慢性毒性：大鼠吸入4.69g\u002Fm\n\u003Csup>3\u003C\u002Fsup>,8小时\u002F天，75天，无病理改变。暴露时间增加，有轻度肝萎缩、脂肪变性和细胞浸润。\n\u003Cbr\u002F>致突变性：微生物致突变：鼠伤寒沙门氏菌5700ppm。DNA 抑制：人成纤维细胞5000ppm\u002F小时(连续)。\n\u003Cbr\u002F>生殖毒性：大鼠吸入最低中毒浓度(TCL\n\u003Csub>0\u003C\u002Fsub>)1250ppm(7小时，孕6～15天)，引起肌肉骨骼发育异常，泌尿生殖系统发育异常。\n\u003Cbr\u002F>致癌性：IARC致癌性评论：动物阳性，人类不明确。关于病人是否应把二氯甲烷视为动物和人的致癌物，动物实验数据和人类流行病学数据尚不充分。然而，鉴于最近在对大鼠和小鼠的吸入研究中的发现，且这些数据在任务组会议之后已可加以应用，故应将二氯甲烷视为一种对人类潜在的致癌物。 \n\u003Cbr\u002F>危险特性：遇明火高热可燃。受热分解能发出剧毒的光气。若遇高热，容器内压增大，有开裂和爆炸的危险。\n\u003Cbr\u002F> 燃烧(分解)产物：一氧化碳、二氧化碳、氯化氢、光气。 \n\u003Ch3>3、现场应急监测方法\u003C\u002Fh3>\n\u003Cbr> 便携式气相色谱法；水质检测管法；气体检测管法\n\u003Cbr>气体速测管（德国德尔格公司产品） \n\u003Ch3>4、实验室监测方法\u003C\u002Fh3>\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr class=\"_tr_16\">\n\u003Ctd class=\"_td_header_16\">监测方法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_16\">来源\u003C\u002Ftd>\n\u003Ctd>类别\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_17\">\n\u003Ctd class=\"_td_header_17\">气相色谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_17\">《空气中有害物质的测定方法》(第二版)，杭士平主编\u003C\u002Ftd>\n\u003Ctd>空气\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_18\">\n\u003Ctd class=\"_td_header_18\">吹扫捕集-气相色谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_18\">中国环境监测总站\u003C\u002Ftd>\n\u003Ctd>水质\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_19\">\n\u003Ctd class=\"_td_header_19\">气相色谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_19\">《固体废弃物试验与分析评价手册》中国环境监测总站等译\u003C\u002Ftd>\n\u003Ctd>固体废弃物\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_20\">\n\u003Ctd class=\"_td_header_20\">气相色谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_20\">《城市和工业废水中有机化合物分析》王克欧等译\u003C\u002Ftd>\n\u003Ctd>废水\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_21\">\n\u003Ctd class=\"_td_header_21\">色谱\u002F质谱法\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_21\">美国EPA524.2方法\u003C\u002Ftd>\n\u003Ctd>水质\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Ch3>5、环境标准\u003C\u002Fh3>\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr class=\"_tr_22\">\n\u003Ctd class=\"_td_header_22\">前苏联\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_22\">车间空气中有害物质的最高容许浓度\u003C\u002Ftd>\n\u003Ctd>50mg\u002Fm\u003Csup>3\u003C\u002Fsup>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_23\">\n\u003Ctd class=\"_td_header_23\">中国(待颁布)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_23\">饮用水源中有害物质的最高容许浓度\u003C\u002Ftd>\n\u003Ctd>0.02mg\u002FL\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_24\">\n\u003Ctd class=\"_td_header_24\">中国(GHZB1-1999)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_24\">地表水环境质量标准(I、II、III类水域)\u003C\u002Ftd>\n\u003Ctd>0.005mg\u002FL\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_25\">\n\u003Ctd class=\"_td_header_25\">前苏联(1975)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_25\">水体中有害物质最高允许浓度\u003C\u002Ftd>\n\u003Ctd>7.5mg\u002FL \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_26\">\n\u003Ctd class=\"_td_header_26\">日本(1993)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_26\">环境标准(mg\u002FL) \u003C\u002Ftd>\n\u003Ctd>地面水：0.002\u003Cbr>废水：0.02\u003Cbr>土壤浸出液：0.002\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_27\">\n\u003Ctd class=\"_td_header_27\">　\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_27\">嗅觉阈浓度\u003C\u002Ftd>\n\u003Ctd>150ppm\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Ch3>6、应急处理处置方法\u003C\u002Fh3>\n\u003Cbr> 一、泄漏应急处理 \n\u003Cbr> 迅速撤离泄漏污染区人员至安全区，度进行隔离，严格限制出入。切断火源。建议应急处理人员戴自给正压式下水道、排洪沟等限制性空间。小量泄漏：用砂土或勘察不烯材料吸附或吸收。大量泄漏：构筑围堤或控坑收容；用泡沫覆盖，降低蒸气灾害。用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。\n\u003Cbr>废弃物处置方法：建议用焚烧法处置。废料同其他燃料混合后焚烧，燃烧要充分，防止生成光气。焚烧炉排气中的氮氧化物通过酸洗涤器除去。 \n\u003Cbr> 二、防护措施 \n\u003Cbr> 呼吸系统防护：空气中浓度超标时，应该柚戴直接式防毒面具(半面罩)。紧急事态抢救或撤离时，佩戴空气呼吸器。\n\u003Cbr>眼睛防护：必要时，戴化学安全防护眼镜。\n\u003Cbr>身体防护：穿防毒物渗透工作服。\n\u003Cbr>手防护：戴防化学品手套。\n\u003Cbr>其它：工作现场禁止吸烟、进食和饮水。工作毕，沐浴更衣。单独存放被污染的衣服，洗后备用。注意个人清洁卫生。 \n\u003Cbr> 三、急救措施 \n\u003Cbr\u002F>皮肤接触：脱去被污染的衣着，用肥皂水和清水彻底冲洗皮肤。\n\u003Cbr\u002F>眼睛接触：提起眼睑，用流动清水或生理盐水冲洗。就医。\n\u003Cbr\u002F>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。\n\u003Cbr\u002F>食入：饮足量温水，催吐，就医。 \n\u003Cbr\u002F> 灭火方法：雾状水、砂土、泡沫、二氧化碳。\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fdiv>\n\u003C\u002Fdiv>\n\u003C\u002Ftd>",[260,266,272,278,284,290],{"slug":261,"cid":262,"name":263,"nameZh":264,"cas":265},"785875684076556288","J-1971914-2","Oxetan-3-ylmethanol","氧杂环丁烷-3-甲醇","6246-06-6",{"slug":267,"cid":268,"name":269,"nameZh":270,"cas":271},"785897659536773120","J-47589-3","1,3-Propanediol","1,3-丙二醇","504-63-2",{"slug":273,"cid":274,"name":275,"nameZh":276,"cas":277},"785873164981768192","J-1014076-9","lithium pyruvate","丙酮酸锂","2922-61-4",{"slug":279,"cid":280,"name":281,"nameZh":282,"cas":283},"785889753466671104","J-1015079-3","Ethanolamine hydrochloride","乙醇胺盐酸盐","2002-24-6",{"slug":285,"cid":286,"name":287,"nameZh":288,"cas":289},"785883181285904384","J-7379-6","1,1-Dimethoxypropane","丙醛缩二甲醇","4744-10-9",{"slug":291,"cid":292,"name":293,"nameZh":294,"cas":295},"785876836004401152","J-14853-1","Lithium acetylacetonate","乙酰丙酮锂","18115-70-3",1790098020987,"zh-CN",[]]