| 柠檬酸单月桂醇酯二钠盐的合成 |
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| 引用本文： | 徐群,邢凤兰,廖祖态,王文波,刘郁芬,孙宏.柠檬酸单月桂醇酯二钠盐的合成[J].精细化工,2002,19(6):321-323. |
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| 作者姓名： | 徐群 邢凤兰 廖祖态 王文波 刘郁芬 孙宏 |
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| 作者单位： | 齐齐哈尔大学,化学与化工学院,黑龙江,齐齐哈尔,161006 |
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| 摘 要： | 以乙酸酐、柠檬酸为原料 ,合成柠檬酸酐中间体 ,n(柠檬酸 )∶n(乙酸酐 ) =2 0∶1 0 ,温度36～ 37℃下 ,反应时间 18h ,收率为 71 0 % ;酯化反应 ,n(柠檬酸酐 )∶n(月桂醇 ) =1 0∶1 1,温度 85～ 90℃ ,反应时间 2 0h ,单酯的收率为 83%～ 84 %。对中间体和产品的结构用红外光谱、元素分析等手段进行了表征 ,并用高效液相色谱对产品的质量分数进行了测定。
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| 关 键 词： | 柠檬酸 柠檬酸酐 酯化 柠檬酸单酯 |
| 文章编号： | 1003-5214(2002)06-0321-03 |
Synthesis of Disodium Monolauryl Citrate |
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| XU Qun,XING Feng lan,LIAO Zu tai,WANG Wen bo,LIU Yu fen,SUN Hong.Synthesis of Disodium Monolauryl Citrate[J].Fine Chemicals,2002,19(6):321-323. |
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| Authors: | XU Qun XING Feng lan LIAO Zu tai WANG Wen bo LIU Yu fen SUN Hong |
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| Abstract: | A synthetic process of disodium monolauryl citrate was developed.The optimum conditions for preparing the intermediate citric anhydride were that molar ratio of citric acid to acetic anhydride was 2.0∶1.0,reaction temperature was 36-37 ℃ and reaction time was 18 h.The yield of citric anhydride was 71.0%.The optimum conditions of esterification were that molar ratio of citric anhydride to laury alcohol was 1.0∶1.1,reaction temperation was 85-90 ℃ and reaction time was 2.0 h.The yield of monolauryl citrate was 83%-84%.The product was characterized by infrared spectroscopy and elementary analysis.Purity of the product was determined by high performance liquid chromatography. |
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| Keywords: | citric acid citric anhydride esterification monoester of citric acid |
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