752002
Ethylmethylcarbonat
98%
Synonym(e):
EMC, Kohlensäure-Ethylmethylester, Methylethylcarbonat
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Alle Fotos(2)
About This Item
Empirische Formel (Hill-System):
C4H8O3
CAS-Nummer:
Molekulargewicht:
104.10
MDL-Nummer:
UNSPSC-Code:
26111700
PubChem Substanz-ID:
NACRES:
NA.22
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Qualitätsniveau
Assay
98%
Form
liquid
Brechungsindex
n20/D 1.378
Dichte
1.006 g/mL at 25 °C
SMILES String
CCOC(=O)OC
InChI
1S/C4H8O3/c1-3-7-4(5)6-2/h3H2,1-2H3
InChIKey
JBTWLSYIZRCDFO-UHFFFAOYSA-N
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Allgemeine Beschreibung
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.
Anwendung
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.
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Flam. Liq. 2
Lagerklassenschlüssel
3 - Flammable liquids
WGK
WGK 1
Flammpunkt (°F)
75.0 °F
Flammpunkt (°C)
23.9 °C
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