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Sigma-Aldrich

1-Ethyl-3-methylimidazolium acetate

97%

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Synonym(s):
EMIM Ac
Empirical Formula (Hill Notation):
C8H14N2O2
CAS Number:
143314-17-4
Molecular Weight:
170.21
MDL number:
MFCD06798186
UNSPSC Code:
12352100
PubChem Substance ID:
329761269
NACRES:
NA.22

Quality Level

100

Assay

≥96.5% (HPLC)
97%

form

liquid

impurities

≤5.0% water

refractive index

n20/D 1.501

mp

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

density

1.101 g/cm3 at 20 °C

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, an aprotic imidazolium room-temperature ionic liquid, is a cellulosic solvent. The pretreatment of sugarcane bagasse with [Emim][Ac] leads to the formation of glucose via enzymatic saccharification.

1-Ethyl-3-methylimidazolium acetate is a catalyst that can be used to perform the acid-free cellulose acetylation process.

Application

1-Ethyl-3-methylimidazolium acetate has been used in the preparation of ionic liquid ferrofluid (ILF).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302,H315,H317

Hazard Classifications

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

WGK

WGK 3

Flash Point(F)

closed cup

Flash Point(C)

closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Proton transfer and polarity changes in ionic liquid?water mixtures: a perspective on hydrogen bonds from ab initio molecular dynamics at the example of 1-ethyl-3-methylimidazolium acetate?water mixtures?Part 1
Brehm, Martin, et al.
Physical Chemistry Chemical Physics, 14.15, 5030-5044 (2012)
Stable and water-tolerant ionic liquid ferrofluids.
Jain N, et al.
ACS Applied Materials & Interfaces, 3(3), 662-667 (2011)
Neutron diffraction, NMR and molecular dynamics study of glucose dissolved in the ionic liquid 1-ethyl-3-methylimidazolium acetate
Youngs, Tristan GA, et al.
Chemical Science, 2.8, 1594-0605 (2011)
Tobiasz Gabryś et al.
Carbohydrate polymers, 254, 117436-117436 (2020-12-29)
The paper presents the results of a study on the preparation of cellulose-based composite fibres (CEL) with graphene oxide addition (GO). Composite fibres (GO/CEL) were prepared via the wet spinning method from CEL solutions in 1-ethyl-3-methylimidazolium acetate (EMIMAc) that contained
Molecular interactions in 1-ethyl-3-methylimidazolium acetate ion pair: a density functional study
Dhumal, Nilesh R., Hyung J. Kim, and Johannes Kiefer
The Journal of Physical Chemistry A, 113.38, 10397-10404 (2009)
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