Date published: 2026-2-9

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1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (CAS 174899-82-2)

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Alternate Names:
EMIM BTI; EMIM TFSI
CAS Number:
174899-82-2
Molecular Weight:
391.31
Molecular Formula:
C8H11F6N3O4S2
Supplemental Information:
This is as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide functions as an ionic liquid in various experimental applications. Its mechanism of action involves serving as a solvent and electrolyte in electrochemical applications, such as batteries, capacitors, and fuel cells. 1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide can act as a stabilizing agent for metal nanoparticles, enabling their dispersion and preventing agglomeration in catalytic reactions. Its ability to modify the surface properties of nanoparticles may be a useful component in the synthesis of advanced materials for various industrial and research purposes. In these applications, 1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide′s molecular structure and interactions play a role in influencing the behavior and performance of the systems in which it is employed.


1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (CAS 174899-82-2) References

  1. Experimental vibrational study of imidazolium-based ionic liquids: Raman and infrared spectra of 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide and 1-ethyl-3-methylimidazolium ethylsulfate.  |  Kiefer, J., et al. 2007. Appl Spectrosc. 61: 1306-11. PMID: 18198022
  2. Viscosity of the 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ionic liquid from equilibrium and nonequilibrium molecular dynamics.  |  Nguyen, TV., et al. 2010. Phys Chem Chem Phys. 12: 930-6. PMID: 20066378
  3. Changes of the near-surface chemical composition of the 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide room temperature ionic liquid under the influence of irradiation.  |  Keppler, A., et al. 2011. Phys Chem Chem Phys. 13: 1174-81. PMID: 21072417
  4. Insights on the solubility of CO2 in 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide from the microscopic point of view.  |  Lourenço, TC., et al. 2013. Environ Sci Technol. 47: 7421-9. PMID: 23718214
  5. Molecular structure and interactions in the ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide.  |  Dhumal, NR., et al. 2014. J Phys Chem A. 118: 2547-57. PMID: 24611825
  6. Electronic structure and spectroscopic analysis of 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ion pair.  |  Vyas, S., et al. 2014. J Phys Chem A. 118: 6873-82. PMID: 25083824
  7. Structural, dynamical, and electronic properties of the ionic liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide.  |  Ishisone, K., et al. 2022. Phys Chem Chem Phys. 24: 9597-9607. PMID: 35403652
  8. Charging/discharging kinetics of poly (3, 4-ethylenedioxythiophene) in 1-ethyl-3-methylimidazolium bis-(trifluoromethylsulfonyl) imide ionic liquid under galvanostatic conditions  |  Randriamahazaka, H., Plesse, C., Teyssie, D., & Chevrot, C. 2005. Electrochimica acta. 50(21): 4222-4229.
  9. Solubility of carbon dioxide in the ionic liquid 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide  |  Schilderman, A. M., Raeissi, S., & Peters, C. J. 2007. Fluid Phase Equilibria. 260(1): 19-22.
  10. Thermodynamic properties of 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide  |  Safarov, J., El-Awady, W. A., Shahverdiyev, A., & Hassel, E. 2011. Journal of Chemical & Engineering Data. 56(1): 106-112.
  11. Investigation on physical and electrochemical properties of three imidazolium based ionic liquids (1-hexyl-3-methylimidazolium tetrafluoroborate, 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide and 1-butyl-3-methylimidazolium methylsulfate)  |  Beigi, A. A. M., Abdouss, M., Yousefi, M., Pourmortazavi, S. M., & Vahid, A. 2013. Journal of Molecular Liquids. 177: 361-368.
  12. Solvation of AgTFSI in 1‐ethyl‐3‐methylimidazolium bis (trifluoromethylsulfonyl) imide ionic liquid investigated by vibrational spectroscopy and DFT calculations  |  Liu, T., Danten, Y., Grondin, J., & Vilar, R. 2016. Journal of Raman Spectroscopy. 47(4): 449-456.
  13. High-efficiency lithium isotope separation in an electrochemical system with 1-butyl-3-methylimidazolium dicyanamide, 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide, and diethyl carbonate as the solvents  |  Zhang, Z., Murali, A., Sarswat, P. K., & Free, M. L. 2020. Separation and Purification Technology. 253: 117539.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

1-Ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, 1 g

sc-251507
1 g
$227.00