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809934

Sigma-Aldrich

Ethyl methyl carbonate

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

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Synonym(s):
Carbonic acid ethyl methyl ester, EMC, Methyl ethyl carbonate
Empirical Formula (Hill Notation):
C4H8O3
CAS Number:
Molecular Weight:
104.10
MDL number:
PubChem Substance ID:
NACRES:
NA.23

grade

battery grade

Quality Level

description

Acid content: <10 ppm

assay

99.9%

form

liquid

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

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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This Item
754935809950752002
Ethyl methyl carbonate battery grade, 99.9%, acid &lt;10 ppm, H2O &lt;10ppm

809934

Ethyl methyl carbonate

Ethyl methyl carbonate 99%

754935

Ethyl methyl carbonate

Ethylene carbonate battery grade, &#8805;99%, acid &lt;10 ppm, H2O &lt;10 ppm

809950

Ethylene carbonate

Ethyl methyl carbonate 98%

752002

Ethyl methyl carbonate

form

liquid

form

liquid

form

solid

form

liquid

grade

battery grade

grade

-

grade

battery grade

grade

-

application(s)

battery manufacturing

application(s)

battery manufacturing

application(s)

battery manufacturing

application(s)

-

assay

99.9%

assay

99%

assay

≥99%

assay

98%

impurities

≤10 ppm H2O, ≤10 ppm acid

impurities

-

impurities

≤10 ppm H2O, ≤10 ppm acid

impurities

-

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.

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.

Legal Information

Product of MU Ionic Solutions Corp

pictograms

Flame

signalword

Danger

hcodes

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 1

flash_point_f

71.6 °F

flash_point_c

22 °C


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Customers Also Viewed

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

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