1-Ethyl-3-methylimidazolium chloride

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-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
Names
Preferred IUPAC name
3-Ethyl-1-methyl-3H-imidazol-1-ium chloride
Other names
[EMIM]Cl
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.129.917
EC Number
  • 613-739-4
UNII
  • InChI=1S/C6H11N2.ClH/c1-3-8-5-4-7(2)6-8;/h4-6H,3H2,1-2H3;1H/q+1;/p-1 ☒N
    Key: BMQZYMYBQZGEEY-UHFFFAOYSA-M ☒N
  • CCN1C=C[N+](C)=C1.[Cl-]
  • CCn1cc[n+](c1)C.[Cl-]
Properties
C6H11ClN2
Molar mass 146.62 g·mol−1
Melting point 77 to 79 °C (171 to 174 °F; 350 to 352 K)
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H302, H315, H319
P264, P270, P280, P301+P312, P302+P352, P305+P351+P338, P321, P330, P332+P313, P337+P313, 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

References
  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


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