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Sigma-Aldrich

Ethyl methyl carbonate

98%

Sinonimo/i:

Carbonic acid ethyl methyl ester, EMC, Methyl ethyl carbonate

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About This Item

Formula empirica (notazione di Hill):
C4H8O3
Numero CAS:
Peso molecolare:
104.10
Numero MDL:
Codice UNSPSC:
26111700
ID PubChem:
NACRES:
NA.22

Saggio

98%

Forma fisica

liquid

Indice di rifrazione

n20/D 1.378

Densità

1.006 g/mL at 25 °C

Stringa SMILE

CCOC(=O)OC

InChI

1S/C4H8O3/c1-3-7-4(5)6-2/h3H2,1-2H3
JBTWLSYIZRCDFO-UHFFFAOYSA-N

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Descrizione generale

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.

Applicazioni

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.

Pittogrammi

Flame

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Flam. Liq. 2

Codice della classe di stoccaggio

3 - Flammable liquids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

75.0 °F

Punto d’infiammabilità (°C)

23.9 °C


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