1-butyl-3-methyl imidazolium bis(trifluoromethylsulfonyl)imide

Abbreviation

[BMIM]TFSI

Appearance

Colorless to light orange liquid

Purity

≥99%

Water Content

<500 ppm

Halogen Content

≤100 ppm

Melting Point

1 °C

Conductivity

3.9 mS/cm (25 °C)

Viscosity

69 cP (45 °C)

Density

1.44 g/mL

Electrochemical Window

4.3 V

Decomposition Temperature

>200 °C

Refractive Index

n20/D 1.428

Applications

This ionic liquid sees applications in electronics. It can be included in an electrolyte package for lithium-ion batteries. It also allows for higher power densities in supercapacitors when used as part of the electrolyte.