[C8mim+][C2F5BF3-] | 1141799-17-8

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: [C8mim+][C2F5BF3-]
• 英文别名: 1-Methyl-3-octylimidazolium pentafluoroethyltrifluoroborate；1-Methyl-3-octylimidazol-1-ium;trifluoro(1,1,2,2,2-pentafluoroethyl)boranuide；1-methyl-3-octylimidazol-1-ium;trifluoro(1,1,2,2,2-pentafluoroethyl)boranuide
• CAS: 1141799-17-8
• 化学式: C₂BF₈*C₁₂H₂₃N₂
• 分子量: 382.148
• InChiKey: JCLPUSIHFZQREM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  5.24
• 重原子数：
  25
• 可旋转键数：
  7
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.79
• 拓扑面积：
  8.8
• 氢给体数：
  0
• 氢受体数：
  9

反应信息

• 作为产物：
  描述：

  1-methyl-3-octylimidazolium (pentafluoroethyl)pentafluorophosphate 生成 [C8mim+][C2F5BF3-]
  参考文献：
  名称：

  Ionic Liquids Having Fluoroalkyltrifluoroborate Anions

  摘要：

  该发明涉及公式（I）的化合物，其中X，-Q1-Q2-和RF具有权利要求1中所示的含义，作为离子液体，并涉及其制备方法。

  公开号：

  US20070213538A1

文献信息

• Hydrophobic Ionic Liquids Composed of Perfluoroalkyltrifluoroborates for Ionic Liquid–Water Two-Phase Systems
  作者：Naoya Nishi、Akihito Suzuki、Takashi Kakiuchi

  DOI：10.1246/bcsj.82.86

  日期：2009.1.15

  Ionic liquids (ILs) composed of perfluoroalkyltrifluoroborate ions (CnF2n+1BF3−, n = 2, 3, 4, and 6) and highly hydrophobic cations are found to have properties suitable to the applications of ILs in IL–water (W) two-phase systems because of their high stability against hydrolysis, high hydrophobicity, and low melting points. The rate of hydrolysis of CnF2n+1BF3− is four orders of magnitude slower than that of BF4−. The ion-transfer voltammograms for the transfer of CnF2n+1BF3− across the interface between nitrobenzene and W show that these CnF2n+1BF3− have hydrophobicity comparable to or higher than those of PF6− and bis(trifluoromethylsulfonyl)imide depending on n. The physicochemical properties (density, viscosity, conductivity, and solubility of ILs in W) of CnF2n+1BF3−-based ILs are measured for the ILs having melting points lower than room temperature. The hydrophobicity of the CnF2n+1BF3− ions is well correlated with the solubility of the ILs in W and also with the width of the polarized potential window at the IL|W interface.

  富氟烷基三氟硼酸盐离子（CnF2n+1BF3−，n = 2，3，4和6）和高度疏水性阳离子组成的离子液体（ILs）由于其在水解方面的高稳定性、高疏水性和低熔点，显示出在IL–水（W）双相系统中的应用潜力。CnF2n+1BF3−的水解速率比BF4−慢四个数量级。在硝基苯和水之间的界面上，CnF2n+1BF3−的离子转移伏安图显示，这些CnF2n+1BF3−的疏水性与PF6−和双（三氟甲基磺酰）亚胺的疏水性相当或更高，具体取决于n。对于熔点低于室温的基于CnF2n+1BF3−的离子液体，测量其物理化学性质（密度、粘度、电导率以及离子液体在水中的溶解度）。CnF2n+1BF3−离子的疏水性与离子液体在水中的溶解度以及IL|W界面上极化电位窗口的宽度有良好的关联。