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3",{"key":386,"value":387},"WGK德国","3",{"key":389,"value":390},"RTECS号","OK9400000",{"key":392,"value":393},"包装等级","III",{"key":395,"value":387},"危险类别",{"key":347,"value":348},"\u003Ctd>\n\n\u003Cp>\u003Cstrong>2,4-二甲基吡啶毒理学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>1、急性毒性：大鼠经口LD50：200mg\u002Fkg；\u003C\u002Fp>\n\u003Cp>2、致突变性：酵母的性染色体的损失和不分离：5000ppm；\u003C\u002Fp>\n\u003Cp>3.急性毒性 LD50：200mg\u002Fkg（大鼠经口）\u003C\u002Fp>\n\u003Cp>4.刺激性 暂无资料\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Cstrong>2,4-二甲基吡啶生态学数据:\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\u003Cp>1.生态毒性 暂无资料\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 暂无资料\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>\u003Ca href=\"\u002Fen\u002Fcas\u002F108-47-4_335619.html#duXinDiv\">2,4-二甲基吡啶毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>主要由煤炼焦副产物中回收。吡啶及其同系物在粗制炼焦化学品中的分布较广，二甲基吡啶大约有23%存在于焦炉煤气中，22%存在于粗苯中，55%存在于焦油中。\u003C\u002Fp>\u003Cp>精制方法:将煤焦油中的二甲基吡啶馏分用邻甲酚加热溶解后冷却，收集析出的晶体。用邻甲酚、2,4-二甲基吡啶及水组成的溶液洗净后，用氢氧化钠分解，水蒸气蒸馏，馏出液加氢氧化钠溶液，分出油层，用固体氢氧化钠干燥后蒸馏，可得纯度为99%的2,4-二甲基吡啶。\u003C\u002Fp>","\u003Ctd>\n\n\u003Ctable>\n\u003Ctbody>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 国标编号: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 33615 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> ＣＡＳ: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 108-47-4 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 中文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 2,4-二甲基吡啶 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 英文名称: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 2,4-dimethylpyridine;2,4-Lutidine \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 别 名: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 2，4-二甲基氮杂苯；2,4-卢剔啶 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子式: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> C\u003Csub>7\u003C\u002Fsub>H\u003Csub>9\u003C\u002Fsub>N；NC(CH\u003Csub>3\u003C\u002Fsub>)CHC(CH\u003Csub>3\u003C\u002Fsub>)CHCH \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 分子量: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 107.2 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 熔 点: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> -60.0℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 密 度: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 相对密度(水=1)0.93 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 蒸汽压: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 37℃ \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>\u003Cstrong> 溶解性: \u003C\u002Fstrong>\u003C\u002Ftd>\n\u003Ctd> 溶于水，可混溶于多数有机溶剂 \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> 带有红色光泽的金属 \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> 用于有机合成，合成药物和用作溶剂 \u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\n\u003C\u002Ftable>\n\u003Cbr \u002F>\n\u003Cp>2.对环境的影响: 一、健康危害 侵入途径：吸入、食入、经皮吸收。 健康危害：吸入、口服或经皮肤吸收后对身体有害。对眼睛有强烈刺激性。接触后可引起咳嗽、胸痛、呼吸困难、胃肠功能紊乱。 二、毒理学资料及环境行为 毒性：属中等毒性。 急性毒性：LD50400～800mg\u002Fkg(大鼠经口) 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。受热分解放出有毒的氧化氮烟气。 燃烧(分解)产物：一氧化碳、二氧化碳、氮氧化物。 3.现场应急监测方法: 　 4.实验室监测方法: 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 5.环境标准: 　 6.应急处理处置方法: 一、泄漏应急处理 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。不要直接接触泄漏物。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、蛭石或其它惰性材料吸收。收集运至空旷的地方掩埋、蒸发、或焚烧。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。 二、防护措施 呼吸系统防护：可能接触其蒸气时，应该佩戴过滤式防毒面具(半面罩)。紧急事态抢救或撤离时，建议佩戴隔离式呼吸器。 眼睛防护：戴化学安全防护眼镜。 身体防护：穿胶布防毒衣。 手防护：戴橡胶手套。 其它：工作现场严禁吸烟。工作毕，淋浴更衣。实行就业前和定期的体检。保持良好的卫生习惯。 三、急救措施 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。 眼睛接触：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。 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。 食入：饮足量温水，催吐，就医。 灭火方法：灭火剂：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\u002Fp>\n\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[403,409,415,421,427,433],{"slug":404,"cid":405,"name":406,"nameZh":407,"cas":408},"785933600984928256","J-526873-1","Imidazolidine 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