1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (E4990-GRP)

1-Butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (BMIM TFSI) is a room-temperature ionic liquid with excellent ionic conductivity. Its solvation dynamics and conductivity are affected by proton concentration, which influences its performance in electrochemical applications.