Date published: 2026-4-24

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1-Ethyl-3-methylimidazolium acetate (CAS 143314-17-4)

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Alternate Names:
EMIM Ac
CAS Number:
143314-17-4
Molecular Weight:
170.21
Molecular Formula:
C8H14N2O2
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 acetate is an ionic liquid used in chemical research for its unique solvent properties. It serves as a green solvent alternative in organic synthesis due to its non-volatile and thermally stable nature, enabling reactions that are difficult or impossible to conduct in traditional solvents. This compound is particularly notable in cellulose dissolution and processing, where it is used to break down cellulose fibers in biomass, facilitating the study of cellulose structure and the development of new materials from this abundant polymer. Additionally, 1-Ethyl-3-methylimidazolium acetate is involved in catalysis research, often as a catalyst itself or as a solvent that can enhance the activity and selectivity of other catalysts. As such, it is integral to advancing sustainable chemistry practices and the creation of innovative materials and energy storage solutions.


1-Ethyl-3-methylimidazolium acetate (CAS 143314-17-4) References

  1. Molecular interactions in 1-ethyl-3-methylimidazolium acetate ion pair: a density functional study.  |  Dhumal, NR., et al. 2009. J Phys Chem A. 113: 10397-404. PMID: 19711961
  2. Structure and dynamics of 1-ethyl-3-methylimidazolium acetate via molecular dynamics and neutron diffraction.  |  Bowron, DT., et al. 2010. J Phys Chem B. 114: 7760-8. PMID: 20481539
  3. Impact of ionic liquid pretreatment conditions on cellulose crystalline structure using 1-ethyl-3-methylimidazolium acetate.  |  Cheng, G., et al. 2012. J Phys Chem B. 116: 10049-54. PMID: 22823503
  4. Microwave-assisted dissolution and delignification of wood in 1-ethyl-3-methylimidazolium acetate.  |  Wang, H., et al. 2013. Bioresour Technol. 136: 739-42. PMID: 23566466
  5. Coagulation of chitin and cellulose from 1-ethyl-3-methylimidazolium acetate ionic-liquid solutions using carbon dioxide.  |  Barber, PS., et al. 2013. Angew Chem Int Ed Engl. 52: 12350-3. PMID: 24115399
  6. Simulating the vibrational spectra of ionic liquid systems: 1-ethyl-3-methylimidazolium acetate and its mixtures.  |  Thomas, M., et al. 2014. J Chem Phys. 141: 024510. PMID: 25028030
  7. Solvent effects of 1-ethyl-3-methylimidazolium acetate: solvation and dynamic behavior of polar and apolar solutes.  |  Lesch, V., et al. 2015. Phys Chem Chem Phys. 17: 8480-90. PMID: 25680082
  8. Impact of two ionic liquids, 1-ethyl-3-methylimidazolium acetate and 1-ethyl-3-methylimidazolium methylphosphonate, on Saccharomyces cerevisiae: metabolic, physiologic, and morphological investigations.  |  Mehmood, N., et al. 2015. Biotechnol Biofuels. 8: 17. PMID: 25688291
  9. Multi-scale processes of beech wood disintegration and pretreatment with 1-ethyl-3-methylimidazolium acetate/water mixtures.  |  Viell, J., et al. 2016. Biotechnol Biofuels. 9: 7. PMID: 26752999
  10. Scaling-Up Ionic Liquid-Based Technologies: How Much Do We Care About Their Toxicity? Prima Facie Information on 1-Ethyl-3-Methylimidazolium Acetate.  |  Ostadjoo, S., et al. 2018. Toxicol Sci. 161: 249-265. PMID: 29106695
  11. Effect of anti-solvents on the characteristics of regenerated cellulose from 1-ethyl-3-methylimidazolium acetate ionic liquid.  |  Tan, X., et al. 2019. Int J Biol Macromol. 124: 314-320. PMID: 30448486
  12. Comparative study on properties of starch films obtained from potato, corn and wheat using 1-ethyl-3-methylimidazolium acetate as plasticizer.  |  Domene-López, D., et al. 2019. Int J Biol Macromol. 135: 845-854. PMID: 31170486
  13. Evaluation of 1‐ethyl‐3‐methylimidazolium acetate based ionic liquid systems as a suitable solvent for collagen  |  Hu, Y., Liu, L., Dan, W., Dan, N., & Gu, Z. 2013. Journal of applied polymer science. 130(4): 2245-2256.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

1-Ethyl-3-methylimidazolium acetate, 5 g

sc-237539
5 g
$140.00