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Sigma-Aldrich

Ethyl methyl carbonate

greener alternative

99%

Synonym(s):

Carbonic acid ethyl methyl ester, EMC, Methyl ethyl carbonate

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About This Item

Empirical Formula (Hill Notation):
C4H8O3
CAS Number:
623-53-0
Molecular Weight:
104.10
MDL number:
MFCD00191398
UNSPSC Code:
26111700
PubChem Substance ID:
329766467
NACRES:
NA.23

assay

99%

form

liquid

greener alternative product characteristics

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Learn more about the Principles of Green Chemistry.

sustainability

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refractive index

n20/D 1.378

bp

101 °C

mp

-55 °C

density

1.006 g/mL at 25 °C

application(s)

battery manufacturing

greener alternative category

, Enabling

SMILES string

CCOC(=O)OC

InChI

1S/C4H8O3/c1-3-7-4(5)6-2/h3H2,1-2H3

InChI key

JBTWLSYIZRCDFO-UHFFFAOYSA-N

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General description

Ethyl methyl carbonate (EMC) is a low viscosity solvent, generally prepared by the esterification of chloroformate with ethanol. It can also be prepared by transesterification of dimethyl carbonate (DMC) with ethanol.
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Application

EMC is majorly utilized as a co-solvent in the nonaqueous electrolyte. It enhances the energy density and discharge capacity of lithium-ion batteries.

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

75.0 °F

flash_point_c

23.9 °C

Certificates of Analysis (COA)

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Zeolitic imidazolate framework as efficient heterogeneous catalyst for the synthesis of ethyl methyl carbonate
Zhou X, et al.
J. Mol. Catal. A: Chem., 366, 43-47 (2013)
Lithium difluoro (oxalato) borate/ethylene carbonate+ propylene carbonate+ ethyl (methyl) carbonate electrolyte for LiMn2O4 cathode
Fu MH, et al.
Journal of Power Sources, 195(3), 862-866 (2010)
Metal-organic frameworks as an acid catalyst for the synthesis of ethyl methyl carbonate via transesterification
Zhou Y, et al.
J. Mol. Catal. A: Chem., 308(1-2), 68-72 (2009)
Liu J, et al.
Electrochemical Communications, 13(3), 269-269 (2011)
McEwen A, et al.
Journal of the Electrochemical Society, 144(4), L84-L84 (1997)
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