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:
Molecular Weight:
170.21
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Assay:
≥95.0% (HPLC)
Quality Level
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
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
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.
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.
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Warning
hcodes
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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JinHui Pang et al.
Carbohydrate polymers, 121, 71-78 (2015-02-11)
With the serious "white pollution" resulted from the non-biodegradable plastic films, considerable attention has been directed toward the development of renewable and biodegradable cellulose-based film materials as substitutes of petroleum-derived materials. In this study, environmentally friendly cellulose films were successfully
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
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)