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Merck
CN

689483

1-Ethyl-3-methylimidazolium acetate

97%

Synonym(s):

EMIM Ac

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About This Item

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

Key Documents

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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

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

327.2 °F - closed cup

Flash Point(C)

164 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL8815
BCCK5554
BCCH2278
BCCG7307
BCCF1048

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Stable and water-tolerant ionic liquid ferrofluids.
Jain N, et al.
ACS Applied Materials & Interfaces, 3(3), 662-667 (2011)
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)
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
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)
Solvent-free acetylation of cellulose by 1-ethyl-3-methylimidazolium acetate-catalyzed transesterification
Chen, Mingjie and Li, et al.
ACS sustainable chemistry & engineering, 7, 16971-11697 (2019)
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