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丁酸、戊酸及其盐和酯 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%",{"key":373,"value":374},"申报要素","品名, 成分含量, 用途",{"key":376,"value":377},"Summary","2915600000 butanoic acids and pentanoic acids and their salts and esters VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%",[379,382,384,387,390,393,396,399,402,405,408,411,414,417],{"key":380,"value":381},"符号","GHS02, GHS07",{"key":383,"value":247},"信号词",{"key":385,"value":386},"危害声明","H226-H315-H319-H335",{"key":388,"value":389},"警示性声明","P261-P305 + P351 + P338",{"key":391,"value":392},"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":394,"value":395},"危害码 (欧洲)","Xi:Irritant",{"key":397,"value":398},"风险声明 (欧洲)","R10;R36\u002F37\u002F38",{"key":400,"value":401},"安全声明 (欧洲)","S16-S26-S36",{"key":403,"value":404},"危险品运输编码","UN 1180 3\u002FPG 3",{"key":406,"value":407},"WGK德国","1",{"key":409,"value":410},"RTECS号","ET1660000",{"key":412,"value":413},"包装等级","III",{"key":415,"value":416},"危险类别","3",{"key":367,"value":368},"\u003Ctd>\n\n\u003Cp>\u003Cstrong>丁酸乙酯毒理学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>1、皮肤\u002F眼睛刺激性：标准德来塞实验：兔子皮肤接触，500mg\u002F24Hreaction severity，中等反应；\u003C\u002Fp>\n\u003Cp>2、急性毒性：大鼠经口LD50：13050mg\u002Fkg；兔子经口LD50：5228mg\u002Fkg；兔子皮肤接触LD50：>2000mg\u002Fkg；\u003C\u002Fp>\n\u003Cp>3、嗅觉阈浓度：0.039mg\u002Fm3。\u003C\u002Fp>\n\u003Cp>4.急性毒性\u003Csup> \u003C\u002Fsup>\u003C\u002Fp>\n\u003Cp>LD50：13000mg\u002Fkg（大鼠经口）\u003C\u002Fp>\n\u003Cp>5.刺激性 \u003C\u002Fp>\n\u003Cp>家兔经皮：500mg（24h），中度刺激。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>丁酸乙酯生态学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>1.生态毒性 \u003C\u002Fp>\n\u003Cp>LC50：17mg\u002FL（48h）（金鱼圆腹雅罗鱼）\u003C\u002Fp>\n\u003Cp>IC50：47~700mg\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\u003Csup> \u003C\u002Fsup>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6d（理论）。\u003C\u002Fp>\n\u003Cp>当pH值为5，7，8，9时，水解半衰期分别为101a，6.3a，229d，23d（理论）。\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"\u002Fen\u002Fcas\u002F105-54-4_162003.html#duXinDiv\">丁酸乙酯毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>1.主要采用酯化法。以丁酸和乙醇为原料，在硫酸催化剂存在下进行酸化反应，然后经中和、洗涤、干燥、蒸馏而得。\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>精制方法：常含有丁酸、乙醇、水分和无机酸等杂质。精制时用碳酸氢钠溶液和水分别洗涤，无水硫酸钠或碳酸钾干燥后精馏。也可用无水硫酸铜干燥，然后在干燥氮气流中蒸馏精制。\u003C\u002Fp>\u003Cp>2.制法： \u003C\u002Fp>\u003Cp>于装有蒸馏装置的反应瓶中，加入丁酸\u003Csup>①\u003C\u002Fsup>（2）88g（1.0mol），无水乙醇92g（2.0mol），一粒沸石，5mL硫酸。加热回流反应12h。蒸出未反应的乙醇。将反应物倒入过量的水中，分出有机层，有机层用水洗涤，再用饱和碳酸氢钠溶液洗涤。无水硫酸钠干燥。蒸馏，收集119～121℃的馏分，得丁酸乙酯（1）87g，收率75%。\u003C\u002Fp>","\u003Ctd>\n\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 33598 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 105-54-4 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 丁酸乙酯 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> ethyl butyrate \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 正丁酸乙酯 \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>CH\u003Csub>2\u003C\u002Fsub>CH\u003Csub>2\u003C\u002Fsub>COOCH\u003Csub>2\u003C\u002Fsub>CH\u003Csub>3\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> -93.3℃ 沸点：121.3? \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 相对密度(水=1)0.88； \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 25℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 不溶于水、甘油，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，有菠萝香味 \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> 用于香料、香精萃取和作溶剂 \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：在工业生产中未发现对人的危害。给动物致死量时发生皮毛粗糙、共济失调、气急、呼吸困难、抽搐和体温降低。 \n\u003Cbr \u002F>\n\u003Cbr \u002F>二、毒理学资料及环境行为 \n\u003Cbr \u002F>\n\u003Cbr \u002F>毒性：属微毒类。 \n\u003Cbr \u002F>急性毒性：LD5013000mg\u002Fkg(大鼠经口)；5230mg\u002Fkg(兔经口) \n\u003Cbr \u002F>\n\u003Cbr \u002F>危险特性：易燃，遇明火、高热能引起燃烧爆炸。与氧化剂可发生反应。 \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>　 \n\u003Cbr \u002F>\n\u003Cbr \u002F>\n\n\u003Cb>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\n\u003Cb>5.环境标准: \u003C\u002Fb>\n\u003Cbr \u002F>嗅觉阈浓度 0.039mg\u002Fm3 \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：用砂土可其它不燃材料吸附或吸收。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：空气浓度较高时应该佩戴自吸过滤式防毒面具(半面罩)。必要时，佩戴自给式呼吸器。 \n\u003Cbr \u002F>眼睛防护：必要时，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：喷水冷却容器，可能的话将容器从火场移至空旷处。灭火剂：泡沫、二氧化碳、干粉、砂土。 \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>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\n\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[424,430,436,442,448,454],{"slug":425,"cid":426,"name":427,"nameZh":428,"cas":429},"785892080885960704","J-1310936-3","Ferrous carbonate","碳酸亚铁","563-71-3",{"slug":431,"cid":432,"name":433,"nameZh":434,"cas":435},"847802079983439872","J-1134111-2","pyrazine hydrochloride","吡嗪盐酸盐","30882-41-8",{"slug":437,"cid":438,"name":439,"nameZh":440,"cas":441},"785873620017614848","J-861416-6","Aluminium diformate","二甲酸铝","52186-48-8",{"slug":443,"cid":444,"name":445,"nameZh":446,"cas":447},"785875624748126208","J-1065570-4","N-Isopropylglycine","N-异丙基甘氨酸","3183-21-9",{"slug":449,"cid":450,"name":451,"nameZh":452,"cas":453},"785895487499669504","J-1509980-2","Methyl 4-aminobutyrate","4-氨基丁酸甲酯","3251-07-8",{"slug":455,"cid":456,"name":457,"nameZh":458,"cas":459},"852648302263406592","J-1135263-1","2-amino-propionic acid ethyl ester","2-氨基丙酸乙酯","17344-99-9",1792617066995,"zh-CN",[]]