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1-正丁基-3-甲基咪唑𬭩六氟磷酸盐

1-正丁基-3-甲基咪唑𬭩六氟磷酸盐
BMIM cation and PF6 anion
IUPAC名
1-butyl-3-methylimidazol-3-ium hexafluorophosphate
别名 BMIM-PF6
识别
CAS号 174501-64-5  checkY
PubChem 2734174
ChemSpider 2015930
SMILES
 
  • CCCCN1C=C[N+](=C1)C.F[P-](F)(F)(F)(F)F
InChI
 
  • 1/C8H15N2.F6P/c1-3-4-5-10-7-6-9(2)8-10;1-7(2,3,4,5)6/h6-8H,3-5H2,1-2H3;/q+1;-1
InChIKey IXQYBUDWDLYNMA-UHFFFAOYAH
性质
化学式 C8H15F6N2P
摩尔质量 284.18 g·mol−1
外观 淡黄色固体
密度 1.38 g/mL (20 °C)
熔点 -8 °C(265 K)
溶解性 不可溶
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。


1-正丁基-3-甲基咪唑𬭩六氟磷酸盐,别名BMIM-PF6,是一种粘稠、无色、疏水且不溶于水的离子液体,其熔点[1]为-8 ℃。此化合物与又名为BMIM-BF4 的1-正丁基-3-甲基咪唑𬭩四氟硼酸盐皆是最被广泛研究的离子液体之二。已知此化合物在水存在下会非常缓慢地分解。 [2]

制备

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BMIM-PF6是可商购的。但它可以通过两个步骤获得:BMIM-Cl 是通过用1-氯丁烷1-甲基咪唑进行烷基化来合成的,其六氟磷酸钾的复分解反应可得到所需化合物;相应的,BMIM-BF4可以类似地使用四氟硼酸钾和BMIM-Cl行反应制备。 [3]

相关条目

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参考资料

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  1. ^ Mihkel Koel. Ionic Liquids in Chemical Analysis. CRC Press. 2008: xxvii [2018-12-23]. ISBN 1-4200-4646-2. (原始内容存档于2021-07-09). 
  2. ^ R.P. Swatloski; J.D. Holbrey; R.D. Rogers. Ionic liquids are not always green: hydrolysis of 1-butyl-3-methylimidazolium hexafluorophosphate. Green Chem. 2003, 5 (4): 361–363. doi:10.1039/b304400a. 
  3. ^ (2004) "Preparation of 1-Butyl-3-methyl imidazolium-based Room Temperature Ionic Liquids". Org. Synth.; Coll. Vol. 10: 184. 

 

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1-正丁基-3-甲基咪唑𬭩六氟磷酸盐
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