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04367

Sigma-Aldrich

1-Ethyl-3-methylimidazolium trifluoromethanesulfonate

≥98.0% (T)

Synonym(s):

[EMIM][TRIFLATE], EMIM Otf

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About This Item

Empirical Formula (Hill Notation):
C7H11F3N2O3S
CAS Number:
Molecular Weight:
260.23
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥98.0% (T)

form

liquid

impurities

≤0.1% water

refractive index

n20/D 1.435 (lit.)
n20/D 1.435

bp

>350 °C (lit.)

density

1.387 g/mL at 25 °C (lit.)

SMILES string

CCn1cc[n+](C)c1.[O-]S(=O)(=O)C(F)(F)F

InChI

1S/C6H11N2.CHF3O3S/c1-3-8-5-4-7(2)6-8;2-1(3,4)8(5,6)7/h4-6H,3H2,1-2H3;(H,5,6,7)/q+1;/p-1

InChI key

ZPTRYWVRCNOTAS-UHFFFAOYSA-M

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Application

1-Ethyl-3-methylimidazolium trifluoromethanesulfonate may be used as a solvent to produce Ionic Polymer-Polymer Composites (IP2C) and also in lipase-catalyzed enantioselective amine acylation with 4-pentenoic acid.

Other Notes

Ionic liquid stable to air and water useful for electrochemical purposes (molten salt technique) exhibiting an electrochemical stability window of ≥4 V and being stable to up to 350 C

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

425.3 °F - closed cup

Flash Point(C)

218.5 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Dielectric relaxation and underlying dynamics of acetonitrile and 1-ethyl-3-methylimidazolium triflate mixtures using THz transmission spectroscopy
Asaki, M. L. T., et al.
J. Chem. Phys. , 116.23, 10377-10385 (2002)
Ion-pair structure of vaporized ionic liquid studied by matrix-isolation FTIR spectroscopy with DFT calculations: A case of 1-ethyl-3-methylimidazolium trifluoromethanesulfonate
Akai, Nobuyuki, Akio Kawai, and Kazuhiko Shibuya
The Journal of Physical Chemistry A, 114.48, 12662-12666 (2010)
E.I. Cooper et al.
Proc. Electrochem. Soc., 16, 386-386 (1992)
Heat capacities and excess enthalpies of 1-ethyl-3-methylimidazolium-based ionic liquids and water
Ficke, Lindsay E., He?ctor Rodri?guez, and Joan F. Brennecke
Journal of Chemical and Engineering Data, 53.9, 2112-2119 (2008)
Capillary electrophoretic application of 1-alkyl-3-methylimidazolium-based ionic liquids
Yanes, Enrique G., et al.
Analytical Chemistry, 73.16, 3838-3844 (2001)

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