The Synthesis and Characterization of 1-methyl-3-butyl imidazole Tetrafluoroborate

Abstract:

1-methyl-3-butyl Imidazole chloride is prepared by 1–methyl imidazole and chlorinated n-butane. The synthesis reaction of 1-methyl-3-butyl imidazole tetrafluoroborate is in the acetone. The solubility of NaBF₄ and BMIC in acetone is not large, but due to the insolubility in acetone of reaction product NaCl and continuous precipitation from the liquid phase in the reaction process, so as to promote the reaction continuously towards forward direction. The colorless transparent and odorless BMIBF₄ are gotten. We use infrared spectrometer for the structure characterization, it is proved that we have gotten BMI-BF₄ room temperature ionic liquids. BMIC ionic liquid has better solubility in H₂O, ethanol, ethyl acetate, acetone, acetonitrile, and methanol, and is insoluble in the ether and cyclohexane.

• Periodical: Applied Mechanics and Materials (Volumes 303-306)
• Pages: 2640-2643
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.303-306.2640
• Online since: February 2013
• Authors: Peng Tian, Jing Zeng, Zhi Gang Zhao, Bo Meng, Tian Ling Qin, Lu Sun
• Keywords: BMIBF₄ Ionic Liquid, IR-Spectrum, Synthesis

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