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754935

Ethyl methyl carbonate

Name: Ethyl methyl carbonate
Brand: ALDRICH

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

NACRES:

NA.23

PubChem Substance ID:

329766467

UNSPSC Code:

26111700

MDL number:

MFCD00191398

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Properties

Quality Level

100

assay

99%

form

liquid

greener alternative product characteristics

Design for Energy Efficiency
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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

Description

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.

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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

71.6 °F

flash_point_c

22.0 °C

Regulatory Information

危险化学品

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McEwen A, et al.

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