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Ethyl methyl carbonate

98%

Offerta disponibile

greener alternative

Alternativa più ecologica

Sinonimo/i:

Carbonic acid ethyl methyl ester, EMC, Methyl ethyl carbonate

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Cambia visualizzazione
Voi/SKUDisponibilitàPrezzo
10 mL
Per informazioni sulla disponibilità, contatta il Servizio Clienti.
97,10 €
50 mL
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227,00 €
100 mL
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357,00 €

Informazioni su questo articolo

Formula empirica (notazione di Hill):
C4H8O3
Numero CAS:
Peso molecolare:
104.10
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
26111700
MDL number:
Assay:
98%
Form:
liquid

97,10 €


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Quality Segment

assay

98%

form

liquid

reaction suitability

reactivity: alcohol reactive, reactivity: amine reactive, reagent type: protection reagent

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refractive index

n20/D 1.378

density

1.006 g/mL at 25 °C

functional group

carbonate

greener alternative category

SMILES string

CCOC(=O)OC

InChI

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

InChI key

JBTWLSYIZRCDFO-UHFFFAOYSA-N

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.
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Ethyl methyl carbonate (EMC) enables cleaner energy storage as a key lithium-ion battery electrolyte solvent. Click here for more information.

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.


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809934754935517127
description

98%

description

battery grade, 99.9%, acid <10 ppm, H2O <10ppm

description

99%

description

anhydrous, ≥99%

assay

98%

assay

99.9%

assay

99%

assay

≥99%

reaction suitability

reagent type: protection reagent, reactivity: alcohol reactive, reactivity: amine reactive

reaction suitability

-

reaction suitability

-

reaction suitability

-

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

form

liquid

form

liquid

form

liquid

form

-

refractive index

n20/D 1.378

refractive index

-

refractive index

n20/D 1.378

refractive index

n20/D 1.368 (lit.)

density

1.006 g/mL at 25 °C

density

1.01 g/cm3

density

1.006 g/mL at 25 °C

density

1.069 g/mL at 25 °C (lit.)


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pictograms

Flame

signalword

Danger

hcodes

Hazard Classifications

Flam. Liq. 2

Classe di stoccaggio

3 - Flammable liquids

flash_point_f

75.0 °F

flash_point_c

23.9 °C


Elenchi normativi

Forniamo informazioni su eventuali restrizioni prevalentemente per i prodotti chimici. Per altre tipologie di prodotto siamo in grado di fornire soltanto informazioni limitate. Nessuna segnalazione significa che nessuno dei componenti è citato in un elenco. È dovere dell’utilizzatore assicurarsi che il prodotto venga impiegato in maniera sicura e a norme di legge.

623-53-0

CAS No.


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Domande

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 risposta
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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