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Merck
CN

51053

1-Ethyl-3-methylimidazolium acetate

≥95.0% (HPLC)

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
NACRES:
NA.22
PubChem Substance ID:
57651302
UNSPSC Code:
12352100
MDL number:
MFCD06798186

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Product Name

1-Ethyl-3-methylimidazolium acetate, ≥95.0% (HPLC)

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

SMILES string

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

InChI key

XIYUIMLQTKODPS-UHFFFAOYSA-M

assay

≥95.0% (HPLC)

origin

Switzerland origin

mp

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

density

1.101 g/cm3 at 20 °C

Quality Level

100

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Application

1-Ethyl-3-methylimidazolium acetate is suitable for use as cellulose solvent in the homogeneous conversion of cellulose with acid chlorides, trityl chloride and tosyl chloride. It may be employed as solvent for the synthesis of copolymer of starch grafted with polystyrene (starch-g-PS) and environmentally friendly cellulose films.

General description

1-Ethyl-3-methylimidazolium acetate ([EMIM][Ac]) is a water miscible, ecofriendly imidazolium ionic liquid. It shows good cellulose dissolution ability. Study on the influence of [EMIM]Ac on the growth of Clostridium sp. and Pseudomonas putida showed hormetic effect. Addition of inorganic salts has been reported to enhance its ionicity. The thermal stability of cellulose in [EMIM]Ac has been investigated.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

327.2 °F - closed cup

flash_point_c

164 °C - closed cup

ppe

Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN4048
BCCM6049
BCCL5190
BCCG9434
BCCG5421

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Bionanocomposite fibers based on cellulose and montmorillonite using ionic liquid 1-ethyl-3-methylimidazolium acetate.
Mahmoudian S, et al.
J. Mater. Sci., 50(3), 1228-1236 (2015)
Influence of Different Inorganic Salts on the Ionicity and Thermophysical Properties of 1-Ethyl-3-methylimidazolium Acetate Ionic Liquid.
Oliveira FS, et al.
Journal of Chemical and Engineering Data, 60(3), 781-789 (2015)
Bailey Blessing et al.
International journal of molecular sciences, 21(13) (2020-07-08)
Blended biocomposites created from the electrostatic and hydrophobic interactions between polysaccharides and structural proteins exhibit useful and unique properties. However, engineering these biopolymers into applicable forms is challenging due to the coupling of the material's physicochemical properties to its morphology
Interactions of Ionic Liquids with Polysaccharides 1. Unexpected Acetylation of Cellulose with 1-Ethyl-3-methylimidazolium Acetate.
Kohler S, et al.
Macromolecular Rapid Communications, 28(24), 2311-2317 (2007)
Boxuan Li et al.
Bioactive materials, 5(3), 577-583 (2020-05-15)
Chitosan is a nature-based polymer with low toxicity, excellent biocompatibility and biodegradability. However, the intractable solubility of chitosan in water and most conventional solvents hampers its biomedical applications. Following the dissolution method for dissolving chitosan in plain water developed by
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