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Merck
CN

809934

Ethyl methyl carbonate

greener alternative

battery grade, 99.9%, acid <10 ppm, H2O <10ppm

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:
329769199
UNSPSC Code:
12191602
MDL number:
MFCD00191398

Key Documents

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Product Name

Ethyl methyl carbonate, battery grade, 99.9%, acid <10 ppm, H2O <10ppm

InChI

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

SMILES string

CCOC(=O)OC

InChI key

JBTWLSYIZRCDFO-UHFFFAOYSA-N

grade

battery grade

description

Acid content: <10 ppm

assay

99.9%

form

liquid

greener alternative product characteristics

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sustainability

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moisture

<10 ppm

impurities

≤10 ppm H2O
≤10 ppm acid

bp

101 °C

mp

-55 °C

density

1.01 g/cm3

application(s)

battery manufacturing

greener alternative category

Enabling

Quality Level

200

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Application

Alkyl carbonates find applications as solvents for lithium ion battery electrolytes and the use of high quality battery grade electrolytes having extremely low water (<10 ppm) and acid (<10 ppm) contents are critical for achieving high electrochemical performance.

General description

Anhydrous ethyl methyl carbonate (EMC) is a clear, colorless liquid with a sweet, ether-like odor. It is a highly polar solvent with a moderate boiling point (101 °C) and relatively low vapor pressure, making it suitable for use in a wide range of chemical reactions and processes. EMC is an excellent solvent for many organic compounds including cellulose, ester, and amides, and it can dissolve a variety of inorganic compounds as well, including many electrolytic salts.
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Ethyl methyl carbonate (EMC) enables cleaner energy storage as a key lithium-ion battery electrolyte solvent. Click here for more information.

Legal Information

Product of MU Ionic Solutions Corp

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

71.6 °F

flash_point_c

22 °C

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ6375
MKCZ1117
MKCX0134
MKCW1259
MKCW4512

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Huang S, et al.
Chemical Society Reviews, 44, 3079-3079 (2015)
Ding M, et al.
Journal of the Electrochemical Society, 148, A1196-A1196 (2001)

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