Ethyl methyl carbonate

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Ethyl methyl carbonate

Product Name: Ethyl methyl carbonate
CAS No.: 623-53-0
Chemical Name: Ethyl methyl carbonate
Synonyms: Methylethylcarbonate;EthylMethylCarbonate(Emc);Carbonic acid methyl ethyl;Carbonic acid ethyl methyl;Ethoxyacetic acid, methyl ester;Carbonic acid methyl ethyl ester;ETHYL METHYL CARBONATE;Ethyl Methyl carbonate 98%;Ethyl Methyl Carbonate >METHYL ETHYL CARBONATE (EMC)
CBNumber: CB3459272
Molecular Formula: C4H8O3
Formula Weight: 104.1
MOL File: 623-53-0.mol

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Ethyl methyl carbonate Property

Melting point:: -14.5℃
Boiling point:: 107 °C
Density: 1.006 g/mL at 25 °C
vapor pressure: 43hPa at 25℃
refractive index: n20/D 1.378
Flash point:: 23°C
storage temp.: 2-8°C
form: clear liquid
color: Colorless to Almost colorless
Water Solubility: 46.8-47.1g/L at 20℃
InChI: InChI=1S/C4H8O3/c1-3-7-4(5)6-2/h3H2,1-2H3
InChIKey: JBTWLSYIZRCDFO-UHFFFAOYSA-N
SMILES: C(OC)(=O)OCC
LogP: 0.972 at 40℃
CAS DataBase Reference: 623-53-0(CAS DataBase Reference)
NIST Chemistry Reference: C2H5OCOOCH3(623-53-0)
EPA Substance Registry System: Carbonic acid, ethyl methyl ester (623-53-0)

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Safety

Hazard Codes: Xi
Risk Statements: 10-36/37/38
Safety Statements: 16-36/37-26
RIDADR: 3272
WGK Germany: 3
HazardClass: 3
PackingGroup: III
HS Code: 29209090

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word: Danger
Hazard statements: H225Highly Flammable liquid and vapour
Precautionary statements: P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 752002
Product name: Ethyl methyl carbonate
Purity: 98%
Packaging: 10ml
Price: $98.4
Updated: 2024/03/01

Sigma-Aldrich

Product number: 752002
Product name: Ethyl methyl carbonate
Purity: 98%
Packaging: 50ml
Price: $186
Updated: 2024/03/01

TCI Chemical

Product number: C1342
Product name: Ethyl Methyl Carbonate
Purity: >98.0%(GC)
Packaging: 10mL
Price: $59
Updated: 2024/03/01

TCI Chemical

Product number: C1342
Product name: Ethyl Methyl Carbonate
Purity: >98.0%(GC)
Packaging: 25mL
Price: $116
Updated: 2024/03/01

Sigma-Aldrich

Product number: 809934
Product name: Ethyl methyl carbonate
Purity: 99.9%, acid <10 ppm, H2O <10ppm
Packaging: 25g
Price: $272
Updated: 2024/03/01

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Ethyl methyl carbonate Chemical Properties,Usage,Production

Description

Ethyl methyl carbonate (EMC) is an asymmetric aliphatic organic carbonate. It is a colorless transparent liquid widely used as an excellent solvent for lithium-ion battery electrolytes. EMC increases the solubility of lithium ions improving the capacity density and power of batteries. This compound has excellent thermal conductivity and low electrical resistance, extending the working temperature range of electrolytes, improving lithium batteries' safety, and prolonging their service life. EMC is usually obtained by metal oxide-catalyzed transesterification over dimethyl carbonate and diethyl carbonate. High percentage yields are obtained if the reaction is carried out in liquid or vapor phase[1].

Uses

Non-aqueous solvent for Li-ion batteries

Uses

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.

Uses

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

General Description

This product has been enhanced for energy efficiency.

Advantages

Ethyl methyl carbonate enables the largest reversible capacity, best cycle stability, highest cycle Coulombic efficiency, lowest onset potential, smallest polarization, lowest self-discharge rate, and best rate performance from graphite compared to dimethyl carbonate and diethyl carbonate. Ethyl methyl carbonate forms a thinner layer of cathode electrolyte interface on the graphite surface with fewer Li–F and ROCO2Li species than with dimethyl carbonate and diethyl carbonate[2].

References

[1] Guido N. Rimondino , Fabio E. Malanca, Jesús A. Vila . “Atmospheric oxidation of ethyl methyl carbonate: Kinetics and reaction mechanism.” Journal of Photochemistry and Photobiology A-chemistry 444 (2023): Article 114994.
[2] Yao Wang. “Unlocking the True Capability of Graphite-Based Dual-Ion Batteries with Ethyl Methyl Carbonate Electrolyte.” ACS Applied Energy Materials 2 10 (2019): 7512–7517.

Ethyl methyl carbonate Preparation Products And Raw materials

Raw materials

Diethyl carbonate Dimethyl carbonate

Preparation Products

lithium-ion battery

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View Lastest Price from Ethyl methyl carbonate manufacturers

Jinan Finer Chemical Co., Ltd

Product: Ethyl methyl carbonate 623-53-0
Price: US $2.00/KG
Min. Order: 1KG
Purity: 99.9%
Supply Ability: 5000mt
Release date: 2023-10-13

Henan Fengda Chemical Co., Ltd

Product: Ethyl methyl carbonate 623-53-0
Price: US $50.00-1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: g-kg-tons, free sample is available
Release date: 2023-12-22

Zibo Hangyu Biotechnology Development Co., Ltd

Product: Ethyl methyl carbonate 623-53-0
Price: US $0.10-0.30/kg
Min. Order: 1kg
Purity: 99.99%
Supply Ability: 20 tons
Release date: 2024-01-16

623-53-0, Ethyl methyl carbonate Related Search:

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623-53-0