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517135

Sigma-Aldrich

Diethyl carbonate

greener alternative

anhydrous, ≥99%

Sinônimo(s):

Diatol, Eufin, H-DEC

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100 ML
R$ 205,00
1 L
R$ 763,00

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100 ML
R$ 205,00
1 L
R$ 763,00

About This Item

Fórmula linear:
(C2H5O)2CO
Número CAS:
Peso molecular:
118.13
Beilstein:
956591
Número CE:
Número MDL:
Código UNSPSC:
12352100
ID de substância PubChem:
NACRES:
NA.22

R$ 205,00


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grau

anhydrous

Nível de qualidade

densidade de vapor

4.1 (vs air)

pressão de vapor

10 mmHg ( 23.8 °C)
59 mmHg ( 37.8 °C)

Ensaio

≥99%

características do produto alternativo mais ecológico

Less Hazardous Chemical Syntheses
Safer Solvents and Auxiliaries
Design for Degradation
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

Impurezas

<0.002% water
<0.005% water (100 mL)

índice de refração

n20/D 1.384 (lit.)

p.e.

126-128 °C (lit.)

pf

−43 °C (lit.)

solubilidade

water: insoluble

densidade

0.975 g/mL at 25 °C (lit.)

grupo funcional

carbonate

categoria alternativa mais ecológica

cadeia de caracteres SMILES

O=C(OCC)OCC

InChI

1S/C5H10O3/c1-3-7-5(6)8-4-2/h3-4H2,1-2H3

chave InChI

OIFBSDVPJOWBCH-UHFFFAOYSA-N

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Descrição geral

Diethyl carbonate is an dialkylcarbonate.[1] The synthesis of diethyl carbonate (DEC) from urea and ethanol has been investigated.[2]
We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product is used as a greener reagent. Click here for more information.

Aplicação

Diethyl carbonate may be used in the following studies:
  • Synthesis of β-enamino esters.[3]
  • Synthesis of carbamates and unsymmetrical alkyl carbonates, via reaction with aliphatic amines or alcohols by using a hybrid organic-inorganic material prepared by anchoring TBD to MCM-41 silica.[4]
  • As solvent in ruthenium catalyzed direct functionalisation of arene C-H bonds by aryl halides.[5]
  • To compose the commercial liquid electrolyte for lithium ion batteries.[6]
  • Homogeneous alkoxycarbonylation of cellulose.[1]

Características e benefícios

Greener chemical

Pictogramas

Flame

Palavra indicadora

Warning

Frases de perigo

Declarações de precaução

Classificações de perigo

Flam. Liq. 3

Código de classe de armazenamento

3 - Flammable liquids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

77.0 °F - closed cup

Ponto de fulgor (°C)

25 °C - closed cup

Equipamento de proteção individual

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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Os clientes também visualizaram

Sara R Labafzadeh et al.
ChemSusChem, 8(1), 77-81 (2014-11-08)
Dialkylcarbonates are viewed as low-cost, low-toxicity reagents, finding application in many areas of green chemistry. Homogeneous alkoxycarbonylation of cellulose was accomplished by applying dialkycarbonates (dimethyl and diethyl carbonate) in the ionic liquid-electrolyte trioctylphosphonium acetate ([P8881 ][OAc])/DMSO or 1-ethyl-3-methylimidazolium acetate ([emim][OAc]).
A versatile route to β-enamino esters by acylation of lithium enamines with diethyl carbonate or benzyl chloroformate.
Bartoli G, et al.
Tetrahedron, 51(31), 8613-8622 (1995)
Catalytic activity of MCM-41-TBD in the selective preparation of carbamates and unsymmetrical alkyl carbonates from diethyl carbonate.
Carloni S, et al.
J. Catal., 205(1), 199-204 (2002)
Diethyl carbonate as a solvent for ruthenium catalysed C-H bond functionalisation.
Arockiam P, et al.
Green Chemistry, 11(11), 1871-1875 (2009)
Synthesis of diethyl carbonate by catalytic alcoholysis of urea.
Wang D, et al.
Fuel Processing Technology, 88(8), 807-812 (2007)

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Questions

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

    1 answer
    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/449/386/product-dating-information-mk.pdf

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

    1 answer
    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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