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Sigma-Aldrich

1-Ethyl-3-methylimidazolium ethyl sulfate

≥95%

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Synonym(s):
[EMIM][ESO4]
Empirical Formula (Hill Notation):
C8H16N2O4S
CAS Number:
Molecular Weight:
236.29
MDL number:
PubChem Substance ID:
NACRES:
NA.22

assay

≥95%

SMILES string

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

InChI

1S/C6H11N2.C2H6O4S/c1-3-8-5-4-7(2)6-8;1-2-6-7(3,4)5/h4-6H,3H2,1-2H3;2H2,1H3,(H,3,4,5)/q+1;/p-1

InChI key

VRFOKYHDLYBVAL-UHFFFAOYSA-M

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564865745775059
Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

General description

1-Ethyl-3-methylimidazolium ethyl sulfate is a water-miscible, aprotic room temperature ionic liquid (RTIL). It can be prepared by reacting 1-methylimidazole with diethyl sulfate.

Application

[EMIM][ESO4] has been used to study its effect:
  • As a solvent on the thermal stability of lysozyme.
  • As an additive on potassium hydroxide (KOH) electrolyte properties and hydrogen evolution reaction (HER) reaction kinetics.

Pictograms

Exclamation markHealth hazard

signalword

Danger

Hazard Classifications

Carc. 1B - Eye Irrit. 2 - Muta. 1B - Skin Irrit. 2

Storage Class

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

310.1 °F

flash_point_c

154.5 °C

ppe

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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Surface studies on the ionic liquid 1-ethyl-3-methylimidazolium ethylsulfate using X-ray photoelectron spectroscopy (XPS)
Gottfried, J. M., et al.
Zeitschrift fur Physikalische Chemie (Frankfurt am Main, Germany), 220.10, 1439-1453 (2006)
Liquid extraction of benzene from its mixtures using 1-ethyl-3-methylimidazolium ethylsulfate as a solvent
Gonzalez, Emilio J., et al.
Journal of Chemical and Engineering Data, 55.11, 4931-4936 (2010)
Efficient, halide free synthesis of new, low cost ionic liquids: 1, 3-dialkylimidazolium salts containing methyl-and ethyl-sulfate anions.
Holbrey JD, et al.
Green Chemistry, 4(5), 407-413 (2002)
Electronic structure and normal vibrations of the 1-ethyl-3-methylimidazolium ethyl sulfate ion pair
Dhumal, Nilesh R., Hyung J. Kim, and Johannes Kiefer
The Journal of Physical Chemistry A, 115.15, 3551-3558 (2011)
Experimental study of the density and viscosity of 1-ethyl-3-methylimidazolium ethyl sulfate
Schmidt, H., et al.
The Journal of Chemical Thermodynamics, 47, 68-75 (2012)

Articles

Under the trade name BASIONICS™, BASF offers a portfolio of Ionic Liquids—mainly based on imidazolium cations. The BASIONICS™ portfolio opens up a broad range of basic properties of Ionic Liquids and is classified into standard, acidic, basic, liquid at RT and low viscosity products and opens up a wide range of possible applications.

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