752002
Ethyl methyl carbonate
98%
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:
Molecular Weight:
104.10
MDL number:
UNSPSC Code:
26111700
PubChem Substance ID:
NACRES:
NA.22
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Assay
98%
form
liquid
refractive index
n20/D 1.378
density
1.006 g/mL at 25 °C
functional group
carbonate
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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General description
Ethyl methyl carbonate (EMC) is the simplest asymmetric ester. It can be prepared via transesterification between dimethyl carbonate (DMC) and ethanol with mild reaction conditions. It is used as an intermediate for the synthesis of various compounds. Additionally, EMC is also used as an excellent co-solvent in the electrolyte of lithium-ion batteries.
Application
Ethyl methyl carbonate can be used as:
- A solvent for various reactions including esterification and amidation.
- An electrolyte in the development of graphite-based dual-ion batteries due to its ability reduces charge-transfer resistance, polarization, and self-discharge of graphite electrodes. It also enhances Coulombic efficiency, cycle, and rate performances.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 1
Flash Point(F)
75.0 °F
Flash Point(C)
23.9 °C
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