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Conditions","储存条件","储存注意事项\n储存于阴凉、通风的库房。库温不宜超过37℃。远离火种、热源。保持容器密封。应与氧化剂、还原剂、卤素等分开存放，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":226,"labelZh":226,"value":227},"稳定性","1.为非质子型极性溶剂，对多种有机化合物和无机化合物均有良好的溶解能力，在无碱、酸、水存在下，具有良好的化学稳定性。\n2.化学性质：在无酸、碱、水存在下，即使加热到沸点也是比较稳定的。在酸的作用下分解成甲酸和二甲胺盐，而在碱的作用下则分解成甲酸盐和二甲胺。\n3.受紫外线作用分解成二甲胺与甲醛，加热到350℃左右分解成二甲胺与一氧化碳。与盐酸形成比较稳定的等摩尔的加合物，其熔点为40℃，沸点为110℃。与SO3也能形成结晶性加合物，其熔点为138℃，沸点为145℃，DMF-SO3可作为缓和的磺化剂和硫酸化剂使用。与POCl3、COCl2、SOCl2等形成的加合物可在电子密度高的芳香环上引入CHO基（Vilsmeier反应）。P2O5在室温下不溶于N,N-二甲基甲酰胺，但在40℃以上形成稳定的络合物后，在室温即能溶解，而不发生沉淀。在金属钠存在下加热时发生激烈反应并放出氢气。与三乙基铝在0℃也能发生激烈反应。也能与Grignard试剂反应。与酰氯及酸酐发生反应时生成二甲酰胺的衍生物。\n4.属低毒类。动物试验证明，连续投给大量的N,N-二甲基甲酰胺时，引起体重减轻，并阻碍造血机能。对眼、皮肤、黏膜有强烈的刺激作用，其液体或蒸气被皮肤吸收后还能引起肝脏障碍。吸入高浓度的蒸气能引起急性中毒，主要症状为严重刺激、全身痉挛、疼痛性便秘和恶心、呕吐等。慢性中毒除有皮肤、黏膜刺激外，尚有恶心、呕吐、胸闷、头痛、全身不适、食欲减少、胃痛、便秘、肝大和肝功能变化、尿胆素原和尿胆素亦可增加。使用时要求平均蒸气浓度在29.9mg\u002Fm3以下，59.8mg\u002Fm3时即出现中毒症状（伤害中枢神经)。大鼠和小鼠的经口毒性LD50为3000~7000mg\u002Fkg。嗅觉阈浓度0.14mg\u002Fm3，TJ 36-79规定车间空气中最高容许浓度为10mg\u002Fm3。\n5.稳定性 稳定\n6.禁配物 强氧化剂、酰基氯、氯仿、强还原剂、卤素、氯代烃、浓硫酸、发烟硝酸\n7.聚合危害 不聚合",{"label":229,"labelZh":229,"value":230},"水溶解性","soluble",{"label":232,"labelZh":233,"value":234},"Molecular Structure","分子结构","1、摩尔折射率：19.85\n2、摩尔体积（cm\n3\n\u002Fmol）：82.6\n3、等张比容（90.2K）：186\n4、表面张力（dyne\u002Fcm）：25.7\n5、介电常数（F\u002Fm）：36.7\n6、偶极距（D）：3.86（1D=3.33×10-\n30\nC·m）\n7、极化率（10\n-24\ncm\n3\n）：7.87",{"label":236,"labelZh":237,"value":238},"Computational Chemistry","计算化学","1、疏水参数计算参考值（XlogP）：-1\n2、氢键供体数量：0\n3、氢键受体数量：1\n4、可旋转化学键数量：0\n5、拓扑分子极性表面积（TPSA）：20.3\n6、重原子数量：5\n7、表面电荷：0\n8、复杂度：33.9\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":240,"labelZh":240,"value":241},"更多","1.性状：无色透明或淡黄色液体，有鱼腥味。\n2.熔点（℃）：-61\n3.沸点（℃）：153\n4.相对密度（水=1）：0.95\n5.相对蒸气密度（空气=1）：2.51\n6.饱和蒸气压（kPa）：0.5（25℃）\n7.燃烧热（kJ\u002Fmol）：-1921\n8.临界温度（℃）：374\n9.临界压力（MPa）：4.48\n10.辛醇\u002F水分配系数：-0.87\n11.闪点（℃）：58（OC）\n12.引燃温度（℃）：445\n13.爆炸上限（%）：15.2\n14.爆炸下限（%）：2.2\n15.溶解性：与水混溶，可混溶于多数有机溶剂。\n16.折射率（25ºC）：1.42817\n17.黏度（mPa·s,25ºC）：0.802\n18.比旋光度（º）：0.94\n19.燃点（ºC）：445\n20.蒸发热（KJ\u002Fmol,25ºC）：47.545\n21.蒸发热（KJ\u002Fmol,100ºC）：43.585\n22.蒸发热（KJ\u002Fmol,b.p.）：38.368\n23.熔化热（KJ\u002Fmol）：16.165\n24.燃烧热（KJ\u002Fmol）：1915.46\n25.比热容（KJ\u002F(kg·K),25ºC,定压）：2.14\n26.电导率（S\u002Fm）：6×10\n-8\n27.热导率（W\u002F(m·K),20ºC）：0.16579",{"pictogram":243,"signal":244,"hazards":245},"Flammable \u002F Irritant \u002F Health Hazard","Danger",[246,247,248,249],"H226 — Flammable liquid and vapour \u002F 易燃液体和蒸气","H312 — Harmful in contact with skin \u002F 皮肤接触有害","H332 — Harmful if inhaled \u002F 吸入有害","H319 — Causes serious eye irritation \u002F 造成严重眼刺激",[],"\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\"> 33627 \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\"> 68-12-2 \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\"> N,N-二甲基甲酰胺 \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\"> N,N-dimethylformamide；DMF \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\"> 甲酰二甲胺 \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>3\u003C\u002Fsub>H\u003Csub>7\u003C\u002Fsub>NO；(CH\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub>NCH(O) \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\"> 73.10 \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\"> -61℃ 沸点：152.8℃ \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)0.94； \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\"> 58℃ \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\"> 与水混溶，可混溶于多数有机溶剂 \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，有微弱的特殊臭味 \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\"> 7(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\"> 主要用作工业溶剂，医药工业上用于生产维生素、激素，也用于制造杀虫脒 \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、食入、经皮吸收。\n\u003Cbr\u002F>健康危害：急性中毒：主要有眼和上呼吸道刺激症状、头痛、焦虑、恶心、呕吐、腹痛、便秘等。肝损害一般在中毒数日后出现，肝脏肿大，肝区痛，可出现黄疸。经皮肤吸收中毒者，皮肤出现水泡、水肿、粘糙，局部麻木、瘙痒、灼痛。\n\u003Cbr\u002F>慢性影响：有皮肤、粘膜刺激，神经衰弱综合征，血压偏低。尚有恶心、呕吐、胸闷、食欲不振、胃痛、便秘及肝功能变化。 \n\u003Cbr>\u003Cdiv id=\"msdsControl\"> 二、毒理学资料及环境行为\n\u003Cbr>\n\u003Cbr>毒性：低毒类。\n\u003Cbr>急性毒性：LD\n\u003Csub>50\u003C\u002Fsub>400mg\u002Fkg(大鼠经口)；4720mg\u002Fkg(兔经皮)；LC\n\u003Csub>50\u003C\u002Fsub>9400mg\u002Fm\n\u003Csup>3\u003C\u002Fsup>，2小时(小鼠吸入)；人吸入30～60ppm，消化道症状，肝功可异常，有黄疸，尿胆原增加，蛋白尿；人吸入10～20ppm(有时30ppm)，头痛，食欲不振，恶心，肝功和心电图正常。\n\u003Cbr>亚急性和慢性毒性：大鼠吸入2500mg\u002Fm\n\u003Csup>3\u003C\u002Fsup>,6小时\u002F天，5天，80%死亡，肝肺有病变；人吸入5.1～49mg\u002Fm\n\u003Csup>3\u003C\u002Fsup>×3年，神衰症候群，血压偏低，肝功能变化。 \n\u003Cbr\u002F> 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。能与浓硫酸、发烟硝酸猛烈反应，甚至发生爆炸。与卤化物(如四氯化碳)能发生剧烈反应。\n\u003Cbr\u002F>燃烧(分解)产物：一氧化碳、二氧化碳、氧化氮。 \n\u003Ch3>3.现场应急监测方法:\u003C\u002Fh3>\n\u003Cbr\u002F> 气体检测管法\n\u003Cbr\u002F>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\u003Cbr\u002F> 气相色谱法《作业环境空气中有毒物质检测方法》陈安之主编\n\u003Cbr\u002F>色谱\u002F质谱法《水和有害废物的监测分析方法》周文敏等编译 \n\u003Ch3>5.环境标准:\u003C\u002Fh3>\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr class=\"_tr_16\">\n\u003Ctd class=\"_td_header_16\">中国(TJ36-70)\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>10mg\u002Fm\u003Csup>3\u003C\u002Fsup>[皮]\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\">居民区大气中有害物最大允许浓度\u003C\u002Ftd>\n\u003Ctd>0.03mg\u002Fm\u003Csup>3\u003C\u002Fsup>(最大值、昼夜均值)\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>10mg\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>0.14mg\u002Fm\u003Csup>3\u003C\u002Fsup> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Chr class=\"msds_hr\"\u002F>\n\u003Cb class=\"_b_title_2\"> \u003Cbig>\u003Cstrong>6.应急处理处置方法:\u003C\u002Fstrong>\u003C\u002Fbig> \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。也可以用大量水冲洗，洗水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>废弃物处置方法：用焚烧法。废料溶于易燃溶剂后，再焚烧。焚烧炉排出的气体要通过碱洗涤器除去有害成分，从纤维沉降槽和聚氯乙烯反应器的洁净溶剂中回收N，N-二甲基甲酰胺。 \n\u003Cbr\u002F> 二、防护措施 \n\u003Cbr\u002F>呼吸系统防护：空气中浓度超标时，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：穿化学防护服。\n\u003Cbr\u002F>手防护：戴橡胶手套。\n\u003Cbr\u002F>其它：工作现场严禁吸烟。工作毕，淋浴更衣。 \n\u003Cbr\u002F> 三、急救措施 \n\u003Cbr\u002F>皮肤接触：脱去被污染的衣着，用大量流动清水冲洗，至少15分钟。就医。\n\u003Cbr\u002F>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。\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：灭火剂：雾状水、抗溶性泡沫、干粉、二氧化碳、砂土。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。\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fbr>\u003C\u002Fdiv>\n\u003C\u002Fbr>\u003C\u002Fdiv>\n\u003C\u002Ftd>",[253,259,265,271,277,283],{"slug":254,"cid":255,"name":256,"nameZh":257,"cas":258},"785897659536773120","J-47589-3","1,3-Propanediol","1,3-丙二醇","504-63-2",{"slug":260,"cid":261,"name":262,"nameZh":263,"cas":264},"785875684076556288","J-1971914-2","Oxetan-3-ylmethanol","氧杂环丁烷-3-甲醇","6246-06-6",{"slug":266,"cid":267,"name":268,"nameZh":269,"cas":270},"785873164981768192","J-1014076-9","lithium pyruvate","丙酮酸锂","2922-61-4",{"slug":272,"cid":273,"name":274,"nameZh":275,"cas":276},"785889753466671104","J-1015079-3","Ethanolamine hydrochloride","乙醇胺盐酸盐","2002-24-6",{"slug":278,"cid":279,"name":280,"nameZh":281,"cas":282},"785883181285904384","J-7379-6","1,1-Dimethoxypropane","丙醛缩二甲醇","4744-10-9",{"slug":284,"cid":285,"name":286,"nameZh":287,"cas":288},"785876836004401152","J-14853-1","Lithium acetylacetonate","乙酰丙酮锂","18115-70-3",1790087678888,"zh-CN",[]]