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href=\"\u002Fen\u002Fcas\u002F56-82-6_685111.html#duXinDiv\">DL-甘油醛毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>1.将50g（0.3mol）二乙醇缩DL-甘油醛和500ml0.1mol\u002FL硫酸混合，在20℃放置7d。加入30ml冰乙酸后，用氢氧化钡溶液中和，加5g活性炭，搅拌，过滤。滤液减压蒸发水分至尽，向剩余物中加入等体积无水乙醇，滤出晶体，干燥，得22gDL-甘油醛，收率80%。\u003C\u002Fp>\u003Cp>2.制法：\u003C\u002Fp>\u003Cp>\u003C\u002Fp>\u003Cp>二乙醇缩-β-氯乙醛(3)：于装有搅拌器、通气导管的3L反应瓶中，加入无水乙醇253mL，冰盐浴冷至0℃以下，通入干燥的氯化氢气体至饱和。搅拌下滴加冷至0℃的丙烯醛(2)112g(2.0mol),控制反应温度为0℃，约1.5h加完。静置分层，分出下层有机层，分批加入固体碳酸氢钠粉末，中和除酸。过滤，滤液用冰水洗涤，无水碳酸钾干燥10h。过滤后减压蒸馏，收集58～62℃\u002F1.06kPa的馏分，得二乙醇缩-β-氯乙醛(3)112g，收率34%。二乙醇缩丙烯醛(4)：于蒸馏瓶中加入干燥的粉末状的氢氧化钾340g(6mol),上述化合物(3)167g(1.0mol),剧烈摇动后，装上分馏装置。将蒸馏瓶于210～220℃的油浴中加热，直至不再有馏出物馏出为止。分去馏出物中的水，有机层用碳酸钾干燥，过滤后蒸馏，收集122～126℃的馏分，得二乙醇缩丙烯醛(4)98g，收率75%。二乙醇缩甘油醛(5):于装有搅拌器、温度计、滴液漏斗的反应瓶中，加入二乙醇缩丙烯醛(4)65g(0.5mol),水600mL，冷至5℃，搅拌下滴加80g(0.5mol)水配成的溶液，控制滴加速度约25mL\u002Fmin，反应液温度在5℃左右。搅拌—停止，反应物即变成凝胶状。放置2h后，于蒸汽浴加热1h。抽滤，二氧化锰用150mL水洗涤。合并滤液与洗涤液，冷却下加入1200g无水碳酸钾。分出有机层，水层用乙醚提取4次，合并有机层，无水碳酸钾干燥。回收乙醚后减压蒸馏，收集120～121℃\u002F1.06kPa的馏分，得二乙醇缩甘油醛(5)55g，收率67%。DL-甘油醛(1):将上述二乙醇缩甘油醛(5)50g(0.3mol)和0.05mol\u002FL的硫酸置于反应瓶中，于20℃放置1周。加入30mL冰醋酸。将反应化合物仔细地用氢氧化钡溶液中和，活性炭脱色。过滤，滤液于1.33kPa压力浓缩。剩余物加入等体积的无水乙醇，慢慢析晶。过滤析出的结晶，于盛有钠石灰和氯化钙干燥剂的真空干燥器中真空干燥，得DL-甘油醛(1)22g,收率80%。\u003C\u002Fp>","\u003Ctd>\n\n\n\u003Cstrong>模块1. 化学品\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>1.1 产品标识符\u003C\u002Fb>\n\u003Cbr \u002F> : DL-Glyceraldehyde\n\u003Cbr \u002F> 产品名称\n\u003Cbr \u002F>\n\u003Cb>1.2 鉴别的其他方法\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>1.3 有关的确定了的物质或混合物的用途和建议不适合的用途\u003C\u002Fb>\n\u003Cbr \u002F> 仅用于研发。不作为药品、家庭或其它用途。\n\u003Cbr \u002F>\n\n\u003Cstrong>模块2. 危险性概述\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>2.1 GHS-分类\u003C\u002Fb>\n\u003Cbr \u002F> 根据全球协调系统(GHS)的规定，不是危险物质或混合物。\n\u003Cbr \u002F>\n\u003Cb>2.3 其它危害物 - 无\u003C\u002Fb>\n\u003Cbr \u002F>\n\n\u003Cstrong>模块3. 成分\u002F组成信息\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>3.1 物 质\u003C\u002Fb>\n\u003Cbr \u002F> : C3H6O3\n\u003Cbr \u002F> 分子式\n\u003Cbr \u002F> : 90.08 g\u002Fmol\n\u003Cbr \u002F> 分子量\n\u003Cbr \u002F> 无\n\u003Cbr \u002F>\n\n\u003Cstrong>模块4. 急救措施\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>4.1 必要的急救措施描述\u003C\u002Fb>\n\u003Cbr \u002F> 吸入\n\u003Cbr \u002F> 如果吸入,请将患者移到新鲜空气处。 如呼吸停止,进行人工呼吸。\n\u003Cbr \u002F> 皮肤接触\n\u003Cbr \u002F> 用肥皂和大量的水冲洗。\n\u003Cbr \u002F> 眼睛接触\n\u003Cbr \u002F> 用水冲洗眼睛作为预防措施。\n\u003Cbr \u002F> 食入\n\u003Cbr \u002F> 切勿给失去知觉者通过口喂任何东西。 用水漱口。\n\u003Cbr \u002F>\n\u003Cb>4.2 主要症状和影响，急性和迟发效应\u003C\u002Fb>\n\u003Cbr \u002F>\n\u003Cb>4.3 及时的医疗处理和所需的特殊处理的说明和指示\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\n\u003Cstrong>模块5. 消防措施\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>5.1 灭火介质\u003C\u002Fb>\n\u003Cbr \u002F> 灭火方法及灭火剂\n\u003Cbr \u002F> 用水雾,抗乙醇泡沫,干粉或二氧化碳灭火。\n\u003Cbr \u002F>\n\u003Cb>5.2 源于此物质或混合物的特别的危害\u003C\u002Fb>\n\u003Cbr \u002F> 碳氧化物\n\u003Cbr \u002F>\n\u003Cb>5.3 给消防员的建议\u003C\u002Fb>\n\u003Cbr \u002F> 如必要的话,戴自给式呼吸器去救火。\n\u003Cbr \u002F>\n\u003Cb>5.4 进一步信息\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\n\u003Cstrong>模块6. 泄露应急处理\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>6.1 作业人员防护措施、防护装备和应急处置程序\u003C\u002Fb>\n\u003Cbr \u002F> 避免粉尘生成。 避免吸入蒸气、烟雾或气体。\n\u003Cbr \u002F>\n\u003Cb>6.2 环境保护措施\u003C\u002Fb>\n\u003Cbr \u002F> 不要让产品进入下水道。\n\u003Cbr \u002F>\n\u003Cb>6.3 泄漏化学品的收容、清除方法及所使用的处置材料\u003C\u002Fb>\n\u003Cbr \u002F> 扫掉和铲掉。 放入合适的封闭的容器中待处理。\n\u003Cbr \u002F>\n\u003Cb>6.4 参考其他部分\u003C\u002Fb>\n\u003Cbr \u002F> 丢弃处理请参阅第13节。\n\u003Cbr \u002F>\n\n\u003Cstrong>模块7. 操作处置与储存\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>7.1 安全操作的注意事项\u003C\u002Fb>\n\u003Cbr \u002F> 在有粉尘生成的地方,提供合适的排风设备。一般性的防火保护措施。\n\u003Cbr \u002F>\n\u003Cb>7.2 安全储存的条件,包括任何不兼容性\u003C\u002Fb>\n\u003Cbr \u002F> 贮存在阴凉处。 使容器保持密闭，储存在干燥通风处。\n\u003Cbr \u002F>\n\u003Cb>7.3 特定用途\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\n\u003Cstrong>模块8. 接触控制和个体防护\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>8.1 容许浓度\u003C\u002Fb>\n\u003Cbr \u002F> 最高容许浓度\n\u003Cbr \u002F> 没有已知的国家规定的暴露极限。\n\u003Cbr \u002F>\n\u003Cb>8.2 暴露控制\u003C\u002Fb>\n\u003Cbr \u002F> 适当的技术控制\n\u003Cbr \u002F> 常规的工业卫生操作。\n\u003Cbr \u002F> 个体防护设备\n\u003Cbr \u002F> 眼\u002F面保护\n\u003Cbr \u002F> 请使用经官方标准如NIOSH (美国) 或 EN 166(欧盟) 检测与批准的设备防护眼部。\n\u003Cbr \u002F> 皮肤保护\n\u003Cbr \u002F> 戴手套取 手套在使用前必须受检查。\n\u003Cbr \u002F> 请使用合适的方法脱除手套(不要接触手套外部表面),避免任何皮肤部位接触此产品.\n\u003Cbr \u002F> 使用后请将被污染过的手套根据相关法律法规和有效的实验室规章程序谨慎处理. 请清洗并吹干双手\n\u003Cbr \u002F> 所选择的保护手套必须符合EU的89\u002F686\u002FEEC规定和从它衍生出来的EN 376标准。\n\u003Cbr \u002F> 完全接触\n\u003Cbr \u002F> 物料: 丁腈橡胶\n\u003Cbr \u002F> 最小的层厚度 0.11 mm\n\u003Cbr \u002F> 溶剂渗透时间: 480 min\n\u003Cbr \u002F> 测试过的物质Dermatril® (KCL 740 \u002F Z677272, 规格 M)\n\u003Cbr \u002F> 飞溅保护\n\u003Cbr \u002F> 物料: 丁腈橡胶\n\u003Cbr \u002F> 最小的层厚度 0.11 mm\n\u003Cbr \u002F> 溶剂渗透时间: 480 min\n\u003Cbr \u002F> 测试过的物质Dermatril® (KCL 740 \u002F Z677272, 规格 M)\n\u003Cbr \u002F> , 测试方法 EN374\n\u003Cbr \u002F> 如果以溶剂形式应用或与其它物质混合应用，或在不同于EN\n\u003Cbr \u002F> 374规定的条件下应用，请与EC批准的手套的供应商联系。\n\u003Cbr \u002F> 这个推荐只是建议性的,并且务必让熟悉我们客户计划使用的特定情况的工业卫生学专家评估确认才可.\n\u003Cbr \u002F> 这不应该解释为在提供对任何特定使用情况方法的批准.\n\u003Cbr \u002F> 身体保护\n\u003Cbr \u002F> 根据危险物质的类型，浓度和量，以及特定的工作场所选择身体保护措施。,\n\u003Cbr \u002F> 防护设备的类型必须根据特定工作场所中的危险物的浓度和数量来选择。\n\u003Cbr \u002F> 呼吸系统防护\n\u003Cbr \u002F> 不需要保护呼吸。如需防护粉尘损害，请使用N95型（US）或P1型（EN 143)防尘面具。\n\u003Cbr \u002F> 呼吸器使用经过测试并通过政府标准如NIOSH（US）或CEN（EU）的呼吸器和零件。\n\u003Cbr \u002F>\n\n\u003Cstrong>模块9. 理化特性\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>9.1 基本的理化特性的信息\u003C\u002Fb>\n\u003Cbr \u002F> a) 外观与性状\n\u003Cbr \u002F> 形状: 固体\n\u003Cbr \u002F> b) 气味\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> c) 气味阈值\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> d) pH值\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> e) 熔点\u002F凝固点\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> f) 沸点、初沸点和沸程\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> g) 闪点\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> h) 蒸发速率\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> i) 易燃性(固体,气体)\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> j) 高的\u002F低的燃烧性或爆炸性限度 无数据资料\n\u003Cbr \u002F> k) 蒸气压\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> l) 蒸汽密度\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> m) 密度\u002F相对密度\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> n) 水溶性\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> o) n-辛醇\u002F水分配系数\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> p) 自燃温度\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> q) 分解温度\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> r) 粘度\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\n\u003Cstrong>模块10. 稳定性和反应活性\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>10.1 反应性\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>10.2 稳定性\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>10.3 危险反应\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>10.4 应避免的条件\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>10.5 不相容的物质\u003C\u002Fb>\n\u003Cbr \u002F> 强氧化剂\n\u003Cbr \u002F>\n\u003Cb>10.6 危险的分解产物\u003C\u002Fb>\n\u003Cbr \u002F> 其它分解产物 - 无数据资料\n\u003Cbr \u002F>\n\n\u003Cstrong>模块11. 毒理学资料\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>11.1 毒理学影响的信息\u003C\u002Fb>\n\u003Cbr \u002F> 急性毒性\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 皮肤刺激或腐蚀\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 眼睛刺激或腐蚀\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 呼吸道或皮肤过敏\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 生殖细胞致突变性\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 致癌性\n\u003Cbr \u002F> IARC:\n\u003Cbr \u002F> 此产品中没有大于或等于 0。1%含量的组分被 IARC鉴别为可能的或肯定的人类致癌物。\n\u003Cbr \u002F> 生殖毒性\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 特异性靶器官系统毒性（一次接触）\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 特异性靶器官系统毒性（反复接触）\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 吸入危险\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 潜在的健康影响\n\u003Cbr \u002F> 吸入吸入可能有害。 可能引起呼吸道刺激。\n\u003Cbr \u002F> 摄入如服入是有害的。\n\u003Cbr \u002F> 皮肤通过皮肤吸收可能有害。 可能引起皮肤刺激。\n\u003Cbr \u002F> 眼睛可能引起眼睛刺激。\n\u003Cbr \u002F> 附加说明\n\u003Cbr \u002F> 化学物质毒性作用登记: 无数据资料\n\u003Cbr \u002F>\n\n\u003Cstrong>模块12. 生态学资料\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>12.1 生态毒性\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>12.2 持久性和降解性\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>12.3 潜在的生物累积性\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>12.4 土壤中的迁移性\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>12.5 PBT 和 vPvB的结果评价\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\u003Cb>12.6 其它不良影响\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F>\n\n\u003Cstrong>模块13. 废弃处置\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>13.1 废物处理方法\u003C\u002Fb>\n\u003Cbr \u002F> 产品\n\u003Cbr \u002F> 将剩余的和不可回收的溶液交给有许可证的公司处理。\n\u003Cbr \u002F> 受污染的容器和包装\n\u003Cbr \u002F> 按未用产品处置。\n\u003Cbr \u002F>\n\n\u003Cstrong>模块14. 运输信息\u003C\u002Fstrong>\n\u003Cbr \u002F>\n\u003Cb>14.1 联合国危险货物编号\u003C\u002Fb>\n\u003Cbr \u002F> 欧洲陆运危规: -国际海运危规: -国际空运危规: -\n\u003Cbr \u002F>\n\u003Cb>14.2 联合国运输名称\u003C\u002Fb>\n\u003Cbr \u002F> 欧洲陆运危规: 非危险货物\n\u003Cbr \u002F> 国际海运危规: 非危险货物\n\u003Cbr \u002F> 国际空运危规: 非危险货物\n\u003Cbr \u002F>\n\u003Cb>14.3 运输危险类别\u003C\u002Fb>\n\u003Cbr \u002F> 欧洲陆运危规: -国际海运危规: -国际空运危规: -\n\u003Cbr \u002F>\n\u003Cb>14.4 包裹组\u003C\u002Fb>\n\u003Cbr \u002F> 欧洲陆运危规: -国际海运危规: -国际空运危规: -\n\u003Cbr \u002F>\n\u003Cb>14.5 环境危险\u003C\u002Fb>\n\u003Cbr \u002F> 欧洲陆运危规: 否国际海运危规国际空运危规: 否\n\u003Cbr \u002F> 海洋污染物（是\u002F否）: 否\n\u003Cbr \u002F>\n\u003Cb>14.6 对使用者的特别提醒\u003C\u002Fb>\n\u003Cbr \u002F> 无数据资料\n\u003Cbr \u002F> 上述信息视为正确，但不包含所有的信息，仅作为指引使用。本文件中的信息是基于我们目前所知，就正\n\u003Cbr \u002F> 确的安全提示来说适用于本品。该信息不代表对此产品性质的保证。\n\u003Cbr \u002F> 参见发票或包装条的反面。\n\u003Cbr \u002F>\n\u003Cbr \u002F>\n\n\u003Cstrong> 模块 15 - 法规信息 \u003C\u002Fstrong>\n\u003Cbr \u002F>N\u002FA\n\u003Cbr \u002F>\n\u003Cbr \u002F>\n\n\u003Cstrong> 模块16 - 其他信息 \u003C\u002Fstrong>\n\u003Cbr \u002F>N\u002FA\n\u003Cbr \u002F>\u003Cbr \u002F>\u003Cbr \u002F>\n\u003Cbr \u002F>\u003Cbr \u002F>\n\u003C\u002Ftd>","2026-08-21T07:51:12.859463Z",false,[415,421,427,433,439,445,451,457,463,469,475,481],{"slug":416,"cid":417,"name":418,"nameZh":419,"cas":420},"785889175210561536","J-1359506-7","3-Cyano-1,2,4-triazole","3-氰基-1,2,4-三氮唑","3641-10-9",{"slug":422,"cid":423,"name":424,"nameZh":425,"cas":426},"785880489461288960","J-1013886-0","1-Methylpyrrole","N-甲基吡咯","96-54-8",{"slug":428,"cid":429,"name":430,"nameZh":431,"cas":432},"785891473852731392","J-1367547-3","3-Methyl-1H-pyrrole","3-甲基吡咯","616-43-3",{"slug":434,"cid":435,"name":436,"nameZh":437,"cas":438},"785896771267072000","J-45310-1","Homopiperazine","高哌嗪","505-66-8",{"slug":440,"cid":441,"name":442,"nameZh":443,"cas":444},"785896527498317824","J-1515966-7","4-Aminotetrahydropyran","4-氨基四氢吡喃","38041-19-9",{"slug":446,"cid":447,"name":448,"nameZh":449,"cas":450},"785882711985229824","J-5462-6","Biuret","缩二脲","108-19-0",{"slug":452,"cid":453,"name":454,"nameZh":455,"cas":456},"785882425296162816","J-3731-0","Zirconium(IV) carbide","碳化锆","12070-14-3",{"slug":458,"cid":459,"name":460,"nameZh":461,"cas":462},"785898480311734272","J-50484-7","Niobium carbide","碳化铌","12069-94-2",{"slug":464,"cid":465,"name":466,"nameZh":467,"cas":468},"785894086518247424","J-1500540-0","Glycidol","缩水甘油","556-52-5",{"slug":470,"cid":471,"name":472,"nameZh":473,"cas":474},"785880477188755456","J-15724-4","1-Piperazinecarbaldehyde","1-甲酰基哌嗪","7755-92-2",{"slug":476,"cid":477,"name":478,"nameZh":479,"cas":480},"785883172012298240","J-1369979-1","2-ethylpiperazine","2-乙基哌嗪","13961-37-0",{"slug":482,"cid":483,"name":484,"nameZh":485,"cas":486},"785889498956304384","J-1361752-2","1-Methyl-1,4-diazepane","N-甲基高哌嗪","4318-37-0",1794256773085,"zh-CN",[490,491],{"slug":267,"name":266,"nameZh":265,"origin":30,"originFlag":31},{"slug":257,"name":256,"nameZh":255,"origin":72,"originFlag":31}]