1-丁基-3-甲基咪唑四氟硼酸盐

1-butyl-3-methylimidazolium tetrafluoroborate

  • 分子式:C8H15N2BF4
  • 分子量:226.02
  • CAS编号:174501-65-6
  • 纯度:99%
  • 基本信息

    中文名称:1-丁基-3-甲基咪唑四氟硼酸盐
    English Name:1-butyl-3-methylimidazolium tetrafluoroborate
    简写(Abbreviated):[BMIm][BF4]
    CAS:174501-65-6
    分子式(Molecular Formula):C8H15N2BF4
    分子量(MW):226.02

  • 安全信息

  • 技术规格

    外观(Appearance):无色透明液体
    纯度(Purity): > 99.0 %。
    核磁(NMR):通过(Passed)
    null
    易溶性(Solubility):
    水,乙醇,乙腈,二氯甲烷等
    不溶性(Insolubility):乙酸乙酯,乙醚及烷烃。
    杂质含量(Impurity content):
    (1) 甲基咪唑含量(Methylimidazole content) < 1000 ppm;
    (2) 卤素含量 (Halogen content)< 1000 ppm;
    (3) 水含量(Water content) < 1000 ppm。

  • 物性数据

    熔点(Melting point):-81 ℃
    热分解温度(Decomposition temperature):403 ℃
    电导率(Conductivity):4.09 mS/cm (20℃)
    电化学窗口(Electrochemical window):4.6 V
    粘度(Viscosity):140 cP (20℃)
    密度(Density):1.26 g/cm3
    pH ASTM(0.1M in water):4.27  表面张力(γ, mN·m-1):44.7(25℃)
    折光指数:1.4155  

  • 参考谱图

    1H NMR (400 MHz, D2O). δ 8.4469 (a, 1H); 7.3594 (b, 1H); 7.3081(c, 1H); 3.7128 (d, 3H); 4.0064 (e, 1H); 3.9887 (e, 1H); 3.9707 (e, 1H); 1.6181(f, 1H); 1.5998(f, 1H); 1.5814(f, 1H); 1.0754(g, 1H); 1.0571(g, 1H); 1.0385(g, 1H); 1.0200(g,1H); 0.6306(h, 1H); 0.6123(h, 1H); 0.5937(h, 1H). 来源:J. Phys. Chem. B 2012, 116, 7669−7675.

    FT-IR spectra. Wavenumbers a1:3162.47, a2:3121.73, a, b, c C-H; symmetric and antisymmetric stretching vibration; Wavenumbers b1:2964.74, b2:2877.45, d, e, f, g, h -CH3 –CH2, C-H symmetric and antisymmetric stretching vibration; Wavenumbers c1:1631.61, c2:1574.76, C=C, symmetric and antisymmetric stretching vibration; Wavenumbers d1:1468.25, d2:1431.93, C=N, symmetric and antisymmetric stretching vibration; Wavenumbers e1:1171.05, e2:1059.79, B-F, symmetric and antisymmetric stretching vibration. 来源:J. Phys. Chem. B 2012, 116, 7669−7675.

    BMImBF4电化学稳定性研究.jpg

    (a) CVs of [BMIm]BF4 on 2-mm-diameter Pt electrode, scan rate 50mVs-1; b-d, AC IV curve of [BMIm]BF4 on 2-mm-diameter Pt (b), Au (c), and GC (d) electrode with frequency of 20, 50, and 100 Hz, the auxiliary electrode: Pt wire. The AC current is root-mean-square.

    来源:Chemistry Letters Vol. 40 (2011) No. 12 P 1423-1425

    水溶液pH与浓度关系,来源:ChemSusChem 2010, 3, 1043 – 1047

  • 应用参考

    1. 研究方向:离子液体电化学稳定性研究;标题:AC Electrochemical Stability of Ionic Liquids;文章来源:Chemistry Letters Vol. 40 (2011) No. 12 P 1423-1425