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General tariff:30.0%",[364,367,369,372,375,378,381,384,387,390,393,396,399,402,405],{"key":365,"value":366},"符号","GHS02, GHS07",{"key":368,"value":251},"信号词",{"key":370,"value":371},"危害声明","H225-H336",{"key":373,"value":374},"补充危害声明","Repeated exposure may cause skin dryness or cracking.",{"key":376,"value":377},"警示性声明","P210-P370 + P378-P403 + P235",{"key":379,"value":380},"个人防护装备","Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter",{"key":382,"value":383},"危害码 (欧洲)","F",{"key":385,"value":386},"风险声明 (欧洲)","R11;R66",{"key":388,"value":389},"安全声明 (欧洲)","S16-S23-S25-S29-S33",{"key":391,"value":392},"危险品运输编码","UN 1213 3\u002FPG 2",{"key":394,"value":395},"WGK德国","1",{"key":397,"value":398},"RTECS号","AI4025000",{"key":400,"value":401},"包装等级","II",{"key":403,"value":404},"危险类别","3",{"key":346,"value":347},"\u003Ctd>\n\n\u003Cp>\u003Cstrong>乙酸异丁酯毒理学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>1、刺激性：兔子皮肤开放性刺激实验：500mg 轻微的刺激；兔子皮肤标准德雷兹染眼实验：500mg\u002F24H 中等的刺激；兔子眼睛标准德雷兹染眼实验：500mg\u002F24H 中等的刺激；\u003C\u002Fp>\n\u003Cp>2、急性毒性：大鼠经口LD50：13400mg\u002Fkg；大鼠吸入LCL0：8000ppm\u002F4H；兔子经口LD50：4763mg\u002Fkg；兔子皮肤LD50：>17400mg\u002Fkg；\u003C\u002Fp>\n\u003Cp>3、毒性较低，但应避免长期与浓的蒸气接触。大鼠在乙酸异丁酯99.75mg\u002Fm3的环境中接触150分钟，出现麻醉，100%致死。工作场所最高容许浓度1896mg\u002Fm3。\u003C\u002Fp>\n\u003Cp>4.急性毒性\u003C\u002Fp>\n\u003Cp>LD50：13400mg\u002Fkg（大鼠经口）；＞17400mg\u002Fkg（兔经皮）\u003C\u002Fp>\n\u003Cp>5.刺激性\u003C\u002Fp>\n\u003Cp>家兔经皮：500mg，轻度刺激（开放性刺激试验）。\u003C\u002Fp>\n\u003Cp>家兔经眼：500mg（24h），中度刺激。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>乙酸异丁酯生态学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>1.生态毒性 IC50：205mg\u002FL（72h）（藻类）\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 空气中，当羟基自由基浓度为5.00×10\u003Csup>5\u003C\u002Fsup>个\u002Fcm\u003Csup>3\u003C\u002Fsup>时，降解半衰期为70h（理论）。\u003C\u002Fp>\n\u003Cp>当pH值为7，8时，水解半衰期分别为3a，122d（理论）。\u003C\u002Fp>\n\u003Cp>4.其他有害作用 该物质对环境有危害，应特别注意对水体的污染。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"\u002Fen\u002Fcas\u002F110-19-0_414738.html#duXinDiv\">乙酸异丁酯毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>1.由异丁醇与乙酐在硫酸存在下酯化而得。将乙酐和异丁醇混合后滴加硫酸，稍冷后加热回流5-6h，回流液用水洗2-3次，用碳酸钠中和，用水洗至中性，用氯化钙干燥，在油浴上减压分馏即得成品。\u003C\u002Fp>\u003Cp>精制方法：所含杂质除水、乙酸和异丁醇外，尚含有同系物的异松体混合物。精制时用碳酸氢钠或碳酸钠饱和水溶液中和、洗涤，再用氯化钠饱和水溶液充分洗涤，无水硫酸钠或硫酸镁干燥后精馏。\u003C\u002Fp>\u003Cp>2.制法： \u003C\u002Fp>\u003Cp>过氧三氟乙酸溶液的制备：于盛有50mL二氯甲烷的反应瓶中，加入90%的H2O28.2mL（0.3mol），冷却下慢慢滴加三氟乙酸酐50.8mL（0.36mol）。加完后充分搅拌备用。于装有搅拌器、滴液漏斗、回流冷凝器的反应瓶中，加入130g干燥、研细的磷酸氢二钠，150mL二氯甲烷合甲基异丁基酮（2）20.0g（0.2mol），搅拌下于20min内滴加上述过氧三氟乙酸溶液，滴加过程中反应放热，剧烈回流。加完后继续加热回流反应30min。冷后，滤去不溶性的盐，并用二氯甲烷洗涤。合并滤液和洗涤液，用10%的碳酸钠溶液洗涤，无水硫酸钠干燥。常压蒸出大部分溶剂后，于装有分馏头的分馏装置中分馏，控制回流比，收集114～115.5℃的馏分，得无色透明液体（1）19.5g，收率84%。\u003C\u002Fp>","\u003Ctd>\n\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 32130 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 110-19-0 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 乙酸异丁酯 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> isobutyl acetate \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 醋酸异丁酯 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子式: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> C\u003Csub>6\u003C\u002Fsub>H\u003Csub>12\u003C\u002Fsub>O\u003Csub>2\u003C\u002Fsub>；CH\u003Csub>3\u003C\u002Fsub>COOCH\u003Csub>2\u003C\u002Fsub>CH(CH\u003Csub>3\u003C\u002Fsub>)\u003Csub>2\u003C\u002Fsub> \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子量: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 116.16 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 熔 点: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> -98.9℃ 沸点：118.0? \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 相对密度(水=1)0.87； \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 18℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 微溶于水，可混溶于乙醇、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，有果子香味 \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) \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 用 途: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 用作硝化纤维和漆的溶剂，以及化学试剂、调制香料 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr \u002F>\n\u003Cb> 2.对环境的影响: \u003C\u002Fb>\n\u003Cbr \u002F>一、健康危害 \n\u003Cbr \u002F>\n\u003Cbr \u002F>侵入途径：吸入、食入、经皮吸收。 \n\u003Cbr \u002F>健康危害：蒸气对眼及上呼吸道有刺激性。高浓度吸入有麻醉作用，引起头痛、头晕、恶心、呕吐等。大量口服引起头痛、恶心、呕吐，甚至发生昏迷。皮肤较长时间接触有刺激性。 \n\u003Cbr \u002F>\n\u003Cbr \u002F>二、毒理学资料及环境行为 \n\u003Cbr \u002F>\n\u003Cbr \u002F>急性毒性：LD5015400mg\u002Fkg(大鼠经口)；4763mg\u002Fkg(兔经口) \n\u003Cbr \u002F>危险特性：易燃，其蒸气与空气可形成爆炸性混合物。遇明火、高热能引起燃烧爆炸。与氧化剂能发生强烈反应。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\n\u003Cb>3.现场应急监测方法: \u003C\u002Fb>\n\u003Cbr \u002F>气体检测管法 \n\u003Cbr \u002F>\n\u003Cbr \u002F>\n\n\u003Cb>4.实验室监测方法: \u003C\u002Fb>\n\u003Cbr \u002F>羟胺-氯化铁比色法《空气中有害物的测定方法》(第二版)，杭士平主编 \n\u003Cbr \u002F>空气中：样品用活性炭吸附后，用二硫化碳洗脱，再用气相色谱法分析 \n\u003Cbr \u002F>\n\u003Cbr \u002F>5.环境标准： \n\u003Cbr \u002F>前苏联 车间空气中有害物质的最高容许浓度 200mg\u002Fm3 \n\u003Cbr \u002F>前苏联(1975)水体中有害物质最高允许浓度 0.1mg\u002FL \n\u003Cbr \u002F>\n\u003Cbr \u002F>\n\n\u003Cb>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>\n\u003Cbr \u002F>二、防护措施 \n\u003Cbr \u002F>\n\u003Cbr \u002F>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(半面罩)。紧急事态抢救或撤离时，建议佩戴空气呼吸器。 \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：戴防苯耐油手套。 \n\u003Cbr \u002F>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。 \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：灭火剂：泡沫、二氧化碳、干粉、砂土。用水灭火无效，但可用水保持火场中容器冷却。 \n\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\n\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[412,418,424,430,436,442],{"slug":413,"cid":414,"name":415,"nameZh":416,"cas":417},"785892080885960704","J-1310936-3","Ferrous carbonate","碳酸亚铁","563-71-3",{"slug":419,"cid":420,"name":421,"nameZh":422,"cas":423},"847802079983439872","J-1134111-2","pyrazine hydrochloride","吡嗪盐酸盐","30882-41-8",{"slug":425,"cid":426,"name":427,"nameZh":428,"cas":429},"785873620017614848","J-861416-6","Aluminium diformate","二甲酸铝","52186-48-8",{"slug":431,"cid":432,"name":433,"nameZh":434,"cas":435},"785875624748126208","J-1065570-4","N-Isopropylglycine","N-异丙基甘氨酸","3183-21-9",{"slug":437,"cid":438,"name":439,"nameZh":440,"cas":441},"785895487499669504","J-1509980-2","Methyl 4-aminobutyrate","4-氨基丁酸甲酯","3251-07-8",{"slug":443,"cid":444,"name":445,"nameZh":446,"cas":447},"852648302263406592","J-1135263-1","2-amino-propionic acid ethyl ester","2-氨基丙酸乙酯","17344-99-9",1792622347827,"zh-CN",[]]