1-Ethyl-3-methylimidazolium chloride

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1-Ethyl-3-methylimidazolium chloride
Skeletal formula of 1-ethyl-3-methylimidazolium chloride
Ball-and-stick model of the component ions of 1-ethyl-3-methylimidazolium chloride
IUPAC name
3-Ethyl-1-methyl-3H-imidazol-1-ium chloride
Other names
3D model (JSmol)
ECHA InfoCard 100.129.917
EC Number
  • 613-739-4
Molar mass 146.62 g·mol−1
Melting point 77 to 79 °C (171 to 174 °F; 350 to 352 K)
GHS pictograms GHS07: Harmful
GHS signal word Warning
H302, H315, H319
P264, P270, P280, P301+312, P302+352, P305+351+338, P321, P330, P332+313, P337+313, P362, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

1-Ethyl-3-methylimidazolium chloride or [EMIM]Cl is an ionic liquid that can be used in cellulose processing.[1][2] The cation consists of a five-membered ring with two nitrogen and three carbon atoms, i.e. a derivative of imidazole, with ethyl and methyl groups substituted at the two nitrogen atoms.[3] Its melting point is 77–79 °C.[4]


  1. ^ Scientists Propose a More Efficient Way to Make Ethanol, The New York Times, March 2, 2010
  2. ^ Joseph B. Binder and Ronald T. Raines (2010). "Fermentable sugars by chemical hydrolysis of biomass" (PDF). PNAS. 107 (10): 4516–4521. doi:10.1073/pnas.0912073107. PMC 2842027. PMID 20194793.
  3. ^ 1-Ethyl-3-methylimidazolium chloride, chemexper.com
  4. ^ MSDS