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Ethyl methyl carbonate

Name: Ethyl methyl carbonate
Brand: ALDRICH

98%

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

NACRES:

NA.22

PubChem Substance ID:

329766259

UNSPSC Code:

26111700

MDL number:

MFCD00191398

Assay:

98%

Form:

liquid

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Properties

Quality Level

100

assay

98%

form

liquid

greener alternative product characteristics

Design for Energy Efficiency
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refractive index

n20/D 1.378

density

1.006 g/mL at 25 °C

functional group

carbonate

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

Description

General description

Ethyl methyl carbonate (EMC) is the simplest asymmetric ester. It can be prepared via transesterification between dimethyl carbonate (DMC) and ethanol with mild reaction conditions. It is used as an intermediate for the synthesis of various compounds. Additionally, EMC is also used as an excellent co-solvent in the electrolyte of lithium-ion batteries.

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Application

Ethyl methyl carbonate can be used as:

A solvent for various reactions including esterification and amidation.
An electrolyte in the development of graphite-based dual-ion batteries due to its ability reduces charge-transfer resistance, polarization, and self-discharge of graphite electrodes. It also enhances Coulombic efficiency, cycle, and rate performances.

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pictograms

GHS02

signalword

Danger

hcodes

H225

pcodes

P210 - P233 - P240 - P241 - P242 - P243

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

75.0 °F

flash_point_c

23.9 °C

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McEwen A, et al.

Journal of the Electrochemical Society, 146(5), 1687-1687 (1999)

Liu J, et al.

Electrochemical Communications, 13(3), 269-269 (2011)