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Sigma-Aldrich

1-Ethyl-3-methylimidazolium acetate

greener alternative

≥98%

Synonym(s):

1-Methyl-3-ethylimidazolium acetate, 3-Ethyl-1-methylimidazolium acetate, EMIM Ac

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About This Item

Empirical Formula (Hill Notation):
C8H14N2O2
CAS Number:
Molecular Weight:
170.21
MDL number:
UNSPSC Code:
12352100
NACRES:
NA.23

Quality Level

Assay

≥98%

form

liquid

greener alternative product characteristics

Catalysis
Design for Degradation
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sustainability

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impurities

≤0.5% H2O

mp

>30 °C (product can occur as an undercooled melt)

density

1.101 g/cm3 at 20 °C

application(s)

battery manufacturing

greener alternative category

SMILES string

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

InChI

1S/C6H11N2.C2H4O2/c1-3-8-5-4-7(2)6-8;1-2(3)4/h4-6H,3H2,1-2H3;1H3,(H,3,4)/q+1;/p-1

InChI key

XIYUIMLQTKODPS-UHFFFAOYSA-M

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General description

1-Ethyl-3-methylimidazolium acetate is a class of electrolytic materials that can be used in the fabrication of lithium-ion batteries. Lithium-ion batteries consist of anode, cathode, and electrolyte with a charge-discharge cycle. These materials enable the formation of greener and sustainable batteries for electrical energy storage.
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Application

Ionic liquids (ILs) are molten salts with melting points lower than 100 °C, they usually consist of pair of organic cation and anion. ILs exhibit unique properties such as nonvolatility, high thermal stability and high ionic conductivity. They find applications as electrolytes in lithium/sodium ion batteries and dye-sensitized solar cells and also used as media for synthesis of conducting polymers and intercalation electrode materials.

Pictograms

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Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Skin Irrit. 2 - Skin Sens. 1B

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

327.2 °F - closed cup

Flash Point(C)

164 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ionic liquids and their solid-state analogues as materials for energy generation and storage.
Macfarlane D R, et al.
Nature Reviews. Materials, 1, 115005-115005 (2016)
Biodegradable ionic liquids
Part III. The first readily biodegradable ionic liquids
Gathergood, N., et al
Green Chemistry, 8, 156-160 (2006)
Masayoshi Watanabe et al.
Chemical reviews, 117(10), 7190-7239 (2017-01-14)
Ionic liquids (ILs) are liquids consisting entirely of ions and can be further defined as molten salts having melting points lower than 100 °C. One of the most important research areas for IL utilization is undoubtedly their energy application, especially
Dandan Han et al.
Molecules (Basel, Switzerland), 15(4), 2405-2426 (2010-04-30)
Ionic liquids (ILs) have been applied in different areas of separation, such as ionic liquid supported membranes, as mobile phase additives and surface-bonded stationary phases in chromatography separations and as the extraction solvent in sample preparations, because they can be
Towards greener and more sustainable batteries for electrical energy storage
Larcher D and Tarascon J
Nature Chemistry, 7(1), 19-19 (2015)

Articles

Solid-state Li batteries: Review of solid electrolytes, ion conduction, structures, and electrochemical processes.

Ionic liquid electrolytes explored for rechargeable batteries' advancement; future IL development discussed.

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