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Order",{"unitPrice":128,"pack":129,"currency":23,"origin":24,"originFlag":25,"moq":16,"stock":26},120,"10g",{"slug":131,"cid":132,"imgSvg":133,"name":134,"nameZh":135,"cas":136,"formula":137,"iupac":134,"category":48,"categoryName":49,"categoryEnName":50,"industry":16,"tags":138,"offersCount":52,"supplierCount":19,"bestOffer":139},"785871842647740416","J-1333345-2","\u002Fimages\u002Fchem_structures_svg\u002F479\u002F26490-63-1.svg","COBALT TETRAFLUOROBORATE HEXAHYDRATE","四氟化硼钴水合物","26490-63-1","B2CoF8H12O6",[18],{"unitPrice":140,"pack":141,"currency":23,"origin":24,"originFlag":25,"moq":16,"stock":26},12,"100g",{"slug":143,"cid":144,"imgSvg":145,"name":146,"nameZh":147,"cas":148,"formula":149,"iupac":146,"category":48,"categoryName":49,"categoryEnName":50,"industry":16,"tags":150,"offersCount":52,"supplierCount":53,"bestOffer":151},"785871842698072064","J-814953-0","\u002Fimages\u002Fchem_structures_svg\u002F432\u002F72259-10-0.svg","Copper(II) tetrafluoroborate 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hydrate","铈(IV)硫酸盐水合物","123333-60-8","CeH2O9S2",[],{"unitPrice":67,"pack":16,"currency":68,"origin":16,"originFlag":16,"moq":16,"stock":69},3204,{"rates":165,"source":167},{"USD":19,"CNY":166},6.710202,"live",{"slug":169,"cid":170,"imgSvg":171,"name":172,"nameZh":172,"cas":173,"formula":174,"iupac":172,"mdl":16,"mw":175,"category":176,"categoryName":177,"categoryEnName":178,"industry":16,"tags":179,"synonyms":180,"properties":182,"ghs":241,"offers":242,"msds":243,"related":244,"__ts":281,"__lang":282,"__slug":170},"785880558801522688","J-16282-9","\u002Fimages\u002Fchem_structures_svg\u002F177\u002F106-98-9.svg","正丁烯","106-98-9","C4H8","56.106","aliphatics","脂肪烃","Aliphatic Hydrocarbons",[],[181],"1-丁烯",[183,187,191,195,199,203,206,209,212,216,220,224,227,230,234,238],{"label":184,"labelZh":184,"value":185,"prop":186},"Melting Point","−185 °C(lit.)","meltingPoint",{"label":188,"labelZh":188,"value":189,"prop":190},"Boiling Point","-6.0±3.0 °C at 760 mmHg","boilingPoint",{"label":192,"labelZh":192,"value":193,"prop":194},"Density","0.6±0.1 g\u002Fcm3","density",{"label":196,"labelZh":196,"value":197,"prop":198},"Flash Point","-49.6±9.0 °C","flashPoint",{"label":200,"labelZh":201,"value":202},"Exact Mass","精确质量","56.062599",{"label":204,"labelZh":204,"value":205},"LogP","2.37",{"label":207,"labelZh":207,"value":208},"外观性状","无色气体",{"label":210,"labelZh":210,"value":211},"蒸汽密度","1.93 (vs air)",{"label":213,"labelZh":214,"value":215},"Vapor Pressure","蒸汽压","2213.9±0.0 mmHg at 25°C",{"label":217,"labelZh":218,"value":219},"Refractive Index","折射率","1.371",{"label":221,"labelZh":222,"value":223},"Storage Conditions","储存条件","储存注意事项储存于阴凉、通风的易燃气体专用库房。远离火种、热源。库温不宜超过30℃。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。",{"label":225,"labelZh":225,"value":226},"稳定性","1.未列入有毒物质中，但具有一定的窒息作用及麻醉作用，工作场所最高容许浓度为100mg\u002Fm3。应注意通风，严防漏气。在空气中的爆炸极限为1.6~1.7（体积）。在高浓度下可作为麻醉剂。其毒性约是乙烯的4.5倍，皮肤接触液体1-丁烯会产生冻伤。吸入后可出现呼吸急促、迟钝、肌肉失调、判断错误、疲劳、恶心、呕吐等症状。\n2.稳定性 稳定\n3.禁配物 强氧化剂、强酸、过氧酸、卤素\n4.避免接触的条件 受热\n5.聚合危害 聚合",{"label":228,"labelZh":228,"value":229},"凝固点","-185.35℃",{"label":231,"labelZh":232,"value":233},"Molecular Structure","分子结构","1、摩尔折射率：20.30\n2、摩尔体积（cm\n3\n\u002Fmol）：89.6\n3、等张比容（90.2K）：180.2\n4、表面张力（dyne\u002Fcm）：16.3\n5、极化率（10-24cm3）：8.04",{"label":235,"labelZh":236,"value":237},"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:1\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:14\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":239,"labelZh":239,"value":240},"更多","1.性状：无色无味压缩或液化气体。\n2.熔点（℃）：-185.3\n3.沸点（℃）：-6.47\n4.相对密度（水=1）：0.577（25℃）\n5.相对蒸气密度（空气=1）：1.93\n6.饱和蒸气压（kPa）：299.3（25℃）\n7.燃烧热（kJ\u002Fmol）：-2719.1\n8.临界温度（℃）：146.6\n9.临界压力（MPa）：4.023\n10.辛醇\u002F水分配系数：2.40\n11.闪点（℃）：-80（CC）\n12.引燃温度（℃）：385\n13.爆炸上限（%）：10.0\n14.爆炸下限（%）：1.6\n15.溶解性：不溶于水，微溶于苯，易溶于乙醇、乙醚。\n16.Lennard-Jones参数（A）：7.142\n17.Lennard-Jones参数（K）：209.6\n18.溶度参数(J·cm\n-3\n)\n0.5\n：13.748\n19.van der Waals面积（cm\n2\n·mol\n-1\n）：6.410×10\n9\n20.van der Waals体积（cm\n3\n·mol\n-1\n）：44.310\n21.临界密度（g·cm\n-3\n）：0.233\n22.临界体积（cm\n3\n·mol\n-1\n）：240.8\n23.临界压缩因子：0.2775\n24.偏心因子：0.187\n25.气相标准燃烧热(焓)(kJ·mol\n-1\n)：-2716.8\n26.气相标准声称热(焓)( kJ·mol\n-1\n)：-0.5\n27.气相标准熵(J·mol\n-1\n·K\n-1\n) ：307.86\n28.气相标准生成自由能( kJ·mol\n-1\n)：70.4\n29.气相标准热熔(J·mol\n-1\n·K\n-1\n)：85.56\n30.液相标准燃烧热(焓)(kJ·mol\n-1\n)：-2737.4\n31.液相标准声称热(焓)( kJ·mol\n-1\n)：-21.1\n32.液相标准熵(J·mol\n-1\n·K\n-1\n) ：229.06\n33.液相标准生成自由能( kJ·mol\n-1\n)：73.2\n34.液相标准热熔(J·mol\n-1\n·K\n-1\n)：128.9",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\"> 21019 \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\"> 106-98-9 \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\"> 1-丁烯 \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\"> 1- butylene \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\"> \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>8\u003C\u002Fsub>；CH\u003Csub>3\u003C\u002Fsub>CH\u003Csub>2\u003C\u002Fsub>CHCH\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\"> 56.11 \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\"> -185.3℃ 沸点：-6.3? \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)0.67； \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\"> -80℃ \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，微溶于苯，微溶于乙醇、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\"> 无色气体 \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\"> 4(易燃气体) \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\"> 用于制丁二烯、异戊二烯、合成橡胶等 \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> 侵入途径：吸入。\n\u003Cbr>健康危害：有轻度麻醉和刺激作用，并可引起窒息。 \n\u003Cbr> 二、毒理学资料及环境行为 \n\u003Cbr>\u003Cdiv id=\"msdsControl\"> 毒性：属低毒类。\n\u003Cbr\u002F>急性毒性：LC\n\u003Csub>50\u003C\u002Fsub>420000mg\u002Fm\n\u003Csup>3\u003C\u002Fsup>,2小时,(小鼠吸入)；人吸入25g\u002Fm\n\u003Csup>3\u003C\u002Fsup>×5分钟，上呼吸道刺激；人吸入805～989mg\u002Fm\n\u003Csup>3\u003C\u002Fsup>×2小时，粘膜刺激、嗜睡、血压稍升高。\n\u003Cbr\u002F>亚急性和慢性毒性：小鼠吸入6%本品,20次,处死后尸检见支气管、骨髓等呈刺激性病变。大鼠吸入100mg\u002Fm\n\u003Csup>3\u003C\u002Fsup>，140天(连续)，血胆碱酯酶活性下降，白细胞总数减少。 \n\u003Cbr\u002F> 危险特性：易燃，与空气混合能形成爆炸性混合物。遇热源和明火有燃烧爆炸的危险。若遇高热，可发生聚合反应，放出大量热量而引起容器破裂和爆炸事故。与氧化剂接触会猛烈反应。气体比空气重，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\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\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《空气中有害物质的测定方法》(第二版)，杭士平编 >5.环境标准: \n\u003Ctable>\n\u003Ctbody>\n\u003Ctr class=\"_tr_16\">\n\u003Ctd class=\"_td_header_16\">中国(TJ-36-79)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_16\">车间空气中有害物质的最高容许浓度 \u003C\u002Ftd>\n\u003Ctd>100mg\u002Fm\u003Csup>3\u003C\u002Fsup>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_17\">\n\u003Ctd class=\"_td_header_17\">前苏联(1975)\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_17\">居民区大气中最大允许浓度\u003C\u002Ftd>\n\u003Ctd>3mg\u002Fm\u003Csup>3\u003C\u002Fsup>(最大值、日均值)\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_18\">\n\u003Ctd class=\"_td_header_18\">前苏联(1975) \u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_18\">水体中有害物质最高允许浓度\u003C\u002Ftd>\n\u003Ctd>0.2mg\u002FL\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr class=\"_tr_19\">\n\u003Ctd class=\"_td_header_19\">　\u003C\u002Ftd>\n\u003Ctd class=\"_td_header_content_19\">嗅觉阈浓度 \u003C\u002Ftd>\n\u003Ctd>59mg\u002Fm\u003Csup>3\u003C\u002Fsup>\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Chr class=\"_hr_split_3\"\u002F>\n\u003Cb class=\"_b_title_4\">6.应急处理处置方法:\u003C\u002Fb>\n\u003Cbr\u002F> 一、泄漏应急处理 \n\u003Cbr\u002F>迅速撤离泄漏污染区人员至上风处，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。用工业覆盖层或吸附\u002F吸收剂盖住泄漏点附近的下水道等地方，防止气体进入。合理通风，加速扩散。喷雾状水稀释。构筑围堤或挖坑收容产生的大量废水。如有可能，将漏出气用排风机送至空旷地方或装设适当喷头烧掉。漏气容器要妥善处理，修复、检验后再用。 \n\u003Cbr\u002F> 二、防护措施 \n\u003Cbr\u002F>呼吸系统防护：一般不需要特殊防护，高浓度接触时可佩带自吸过滤式防毒面具(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：戴一般作业防护手套。\n\u003Cbr\u002F>其它：工作现场严禁吸烟。避免长期反复接触。进入罐、限制性空间或其它高浓度区作业，须有人监护。 \n\u003Cbr\u002F> 三、急救措施 \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>灭火方法：切断气源。若不能立即切断气源，则不允许熄灭正在燃烧的气体。喷水冷却容器，可能的话将容器从火场移至空旷处。灭火剂：雾状水、泡沫、二氧化碳、干粉。\u003C\u002Fhr>\u003C\u002Fdiv>\n\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fdiv>\n\u003C\u002Ftd>",[245,251,257,263,269,275],{"slug":246,"cid":247,"name":248,"nameZh":249,"cas":250},"785882320467922944","J-3050-8","Trimethylolpropane","三羟甲基丙烷","77-99-6",{"slug":252,"cid":253,"name":254,"nameZh":255,"cas":256},"785889783778906112","J-28696-1","Polyvinylidene fluoride","聚偏氟乙烯","24937-79-9",{"slug":258,"cid":259,"name":260,"nameZh":261,"cas":262},"785896576466817024","J-44491-2","Polyvinyl chloride","聚氯乙烯","9002-86-2",{"slug":264,"cid":265,"name":266,"nameZh":267,"cas":268},"785883357849325568","J-7986-0","Polydimethylsiloxane","聚二甲基硅氧烷","9016-00-6",{"slug":270,"cid":271,"name":272,"nameZh":273,"cas":274},"785888712742408192","J-922352-3","2-Methylpyrrolidine","2-甲基吡咯烷","765-38-8",{"slug":276,"cid":277,"name":278,"nameZh":279,"cas":280},"785883885836701696","J-41075-7","3-Aminopentane","3-氨基戊烷","616-24-0",1790122817201,"zh-CN",[]]