754935

Ethyl methyl carbonate

99%

• Synonym(s): Carbonic acid ethyl methyl ester, EMC, Methyl ethyl carbonate
• Empirical Formula (Hill Notation): C₄H₈O₃
• CAS Number: 623-53-0
• Molecular Weight: 104.10
• MDL number: MFCD00191398
• UNSPSC Code: 26111700
• PubChem Substance ID: 329766467
• NACRES: NA.23

Properties

• Quality Level: 100
• assay: 99%
• form: liquid
• greener alternative product characteristics: Design for Energy Efficiency; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• 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.

Safety Information

• pictograms: GHS02
• signalword: Danger
• hcodes: H225
• pcodes: P210 - P233 - P240 - P241 - P242 - P243
• Hazard Classifications: Flam. Liq. 2
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 75.0 °F
• flash_point_c: 23.9 °C