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mmHg","boilingPoint",{"label":195,"labelZh":195,"value":196,"prop":197},"Density","0.7±0.1 g\u002Fcm3","density",{"label":199,"labelZh":199,"value":200,"prop":201},"Flash Point","-48.5±11.2 °C","flashPoint",{"label":203,"labelZh":204,"value":205},"Exact Mass","精确质量","54.046951",{"label":207,"labelZh":207,"value":208},"LogP","1.46",{"label":210,"labelZh":211,"value":212},"Vapor Pressure","蒸汽压","745.1±0.0 mmHg at 25°C",{"label":214,"labelZh":215,"value":216},"Refractive Index","折射率","1.393",{"label":218,"labelZh":219,"value":220},"Storage Conditions","储存条件","储存注意事项储存于阴凉、通风的库房。远离火种、热源。库温不宜超过29℃。包装要求密封，不可与空气接触。应与氧化剂、酸类分开存放，切忌混储。采用防爆型照明、通风设施。禁止使用易产生火花的机械设备和工具。储区应备有泄漏应急处理设备和合适的收容材料。",{"label":222,"labelZh":222,"value":223},"稳定性","1.稳定性 稳定\n2.禁配物 强氧化剂、碱金属、碱土金属、重金属及重金属盐、卤素\n3.避免接触的条件受热，接触空气\n4.聚合危害 聚合",{"label":225,"labelZh":226,"value":227},"Molecular Structure","分子结构","1、摩尔折射率：18.58\n2、摩尔体积（cm\n3\n\u002Fmol）：77.8\n3、等张比容（90.2K）：169.4\n4、表面张力（dyne\u002Fcm）：22.4\n5、介电常数（F\u002Fm）：2.16\n6、极化率（10\n-24\ncm\n3\n）：7.36",{"label":229,"labelZh":230,"value":231},"Computational Chemistry","计算化学","1.疏水参数计算参考值（XlogP）:无\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.互变异构体数量:无\n6.拓扑分子极性表面积0\n7.重原子数量:4\n8.表面电荷:0\n9.复杂度:42.9\n10.同位素原子数量:0\n11.确定原子立构中心数量:0\n12.不确定原子立构中心数量:0\n13.确定化学键立构中心数量:0\n14.不确定化学键立构中心数量:0\n15.共价键单元数量:1",{"label":233,"labelZh":233,"value":234},"更多","1.性状：无色挥发性液体。\n2.熔点（℃）：-32.2\n3.沸点（℃）：27\n4.相对密度（水=1）：0.691\n5.相对蒸气密度（空气=1）：1.91\n6.饱和蒸气压（kPa）：79（20℃）\n7.辛醇\u002F水分配系数：1.46\n8.闪点（℃）：＜-20\n9.爆炸上限（%）：暂无资料\n10.爆炸下限（%）：1.4\n11.溶解性：不溶于水，溶于乙醚。\n12.溶度参数(J·cm\n-3\n)\n0.5\n：17.464\n13.van der Waals面积（cm\n2\n·mol\n-1\n）：6.200×10\n9\n14.van der Waals体积（cm\n3\n·mol\n-1\n）：43.440\n15.比旋光度（º）：1.3921\n16.气相标准燃烧热(焓)(kJ·mol\n-1\n)：-2577.3\n17.气相标准声称热(焓)( kJ·mol\n-1\n)：145.7\n18.气相标准熵(J·mol\n-1\n·K\n-1\n) ：283.16\n19.气相标准生成自由能( kJ·mol\n-1\n)：185.0\n20.气相标准热熔(J·mol\n-1\n·K\n-1\n)：77.79\n21.液相标准燃烧热(焓)(kJ·mol\n-1\n)：-2550.7\n22.液相标准声称热(焓)( kJ·mol\n-1\n)：119.1\n23.液相标准熵(J·mol\n-1\n·K\n-1\n) ：195.10\n24.液相标准生成自由能( kJ·mol\n-1\n)：184.6\n25.液相标准热熔(J·mol\n-1\n·K\n-1\n)：125.19",null,[],"\u003Ctd>\n\u003Cdiv class=\"\" id=\"MSDSTbl\">\n\u003Ctable class=\"_table_all\">\n\u003Ctbody>\n\u003Ctr class=\"_tr_1\">\n\u003Ctd class=\"_td_header_1\">\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_1\"> 31017 \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\"> 503-17-3 \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\"> 2-丁炔 \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\"> 2-butyne；crotonylene \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\"> 巴豆炔；二甲基乙炔 \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\"> C\u003Csub>4\u003C\u002Fsub>H\u003Csub>6\u003C\u002Fsub>；CH\u003Csub>3\u003C\u002Fsub>CCCH\u003Csub>3\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\"> 54.09 \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\"> -32.2℃ 沸点：27℃ \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)0.69； \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\"> <-20℃ \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\"> 不溶于水，溶于醚 \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\"> 无色液体 \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\"> 7(低闪点易燃液体) \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\"> 用于有机合成 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr\u002F>\n\u003Cb class=\"msds_title\"> 2.对环境的影响: \u003C\u002Fb>\n\u003Cbr\u002F>一、健康危害 \n\u003Cbr\u002F>\n\u003Cbr>侵入途径：吸入、食入、经皮吸收。 \n\u003Cbr>健康危害：吸入、口服或经皮吸收，对机体可能产生危害。有刺激性。 \n\u003Cbr>\u003Cdiv id=\"msdsControl\">\n\u003Cbr\u002F>二、毒理学资料及环境行为 \n\u003Cbr\u002F>\n\u003Cbr\u002F>危险特性：极易燃，其蒸气与空气可形成爆炸性混合物。遇热源和明火有燃烧爆炸的危险。与氧化剂能发生强烈反应，引起燃烧或爆炸。若遇高热，可发生聚合反应，放出大量热量从而引起容器破裂或爆炸事故。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。 \n\u003Cbr\u002F>燃烧(分解)产物：一氧化碳、二氧化碳。 \n\u003Cbr\u002F>\n\u003Cbr\u002F>\n\u003Chr class=\"msds_hr\"\u002F>\n\u003Cb class=\"_b_title_2\">3.现场应急监测方法: \u003C\u002Fb>\n\u003Cbr\u002F>　 \n\u003Cbr\u002F>\n\u003Cbr\u002F>\n\u003Chr class=\"_hr_split_2\">\n\u003Cb class=\"_b_title_3\">4.实验室监测方法: \u003C\u002Fb>\n\u003Cbr\u002F>气相色谱法，参照《分析化学手册》(第四分册，色谱分析)，化学工业出版社 \n\u003Cbr\u002F>\n\u003Cbr\u002F>\n\u003Chr class=\"_hr_split_3\"\u002F>\n\u003Cb class=\"_b_title_4\">5.环境标准: \u003C\u002Fb>\n\u003Cbr\u002F>美国 车间卫生标准 1650mg\u002Fm3(丁炔) \n\u003Cbr\u002F>\n\u003Cbr\u002F>\n\u003Chr class=\"_hr_split_4\"\u002F>\n\u003Cb class=\"_b_title_5\">6.应急处理处置方法: \u003C\u002Fb>\n\u003Cbr\u002F>一、泄漏应急处理 \n\u003Cbr\u002F>\n\u003Cbr\u002F>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。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，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。 \n\u003Cbr\u002F>\n\u003Cbr\u002F>二、防护措施 \n\u003Cbr\u002F>\n\u003Cbr\u002F>呼吸系统防护：一般不需要特殊防护，高浓度接触时可佩戴过滤式防毒面具(半面罩)。 \n\u003Cbr\u002F>眼睛防护：戴化学安全防护眼镜。 \n\u003Cbr\u002F>身体防护：穿防静电工作服。 \n\u003Cbr\u002F>手防护：戴橡胶手套。 \n\u003Cbr\u002F>其它：工作现场严禁吸烟。避免长期反复接触。 \n\u003Cbr\u002F>\n\u003Cbr\u002F>三、急救措施 \n\u003Cbr\u002F>\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>\n\u003Cbr\u002F>灭火方法：尽可能将容器从火场移至空旷处。喷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：泡沫、干粉、二氧化碳、砂土。用水灭火无效。 \n\u003Cbr\u002F>\u003C\u002Fhr>\u003C\u002Fdiv>\n\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fdiv>\n\u003C\u002Ftd>",[239,245,251,257,263,269],{"slug":240,"cid":241,"name":242,"nameZh":243,"cas":244},"785882320467922944","J-3050-8","Trimethylolpropane","三羟甲基丙烷","77-99-6",{"slug":246,"cid":247,"name":248,"nameZh":249,"cas":250},"785889783778906112","J-28696-1","Polyvinylidene fluoride","聚偏氟乙烯","24937-79-9",{"slug":252,"cid":253,"name":254,"nameZh":255,"cas":256},"785896576466817024","J-44491-2","Polyvinyl chloride","聚氯乙烯","9002-86-2",{"slug":258,"cid":259,"name":260,"nameZh":261,"cas":262},"785883357849325568","J-7986-0","Polydimethylsiloxane","聚二甲基硅氧烷","9016-00-6",{"slug":264,"cid":265,"name":266,"nameZh":267,"cas":268},"785888712742408192","J-922352-3","2-Methylpyrrolidine","2-甲基吡咯烷","765-38-8",{"slug":270,"cid":271,"name":272,"nameZh":273,"cas":274},"785883885836701696","J-41075-7","3-Aminopentane","3-氨基戊烷","616-24-0",1790112287526,"zh-CN",[]]