【Chinese name 】1-butyl - 3 - methylimidazolium tetrafluoroborate salt【Name】1-Butyl-3-methylimidazolium tetrafluoroborate【English alias [BMIM】BF4【CAS No.】174501-65-6【Molecular Formula】 C8H15N2BF4【Molecular Weight】 226.02【Purity ≥ 99%【MDL No.】 MFCD03095449