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D152927

Sigma-Aldrich

Dimethyl carbonate

greener alternative

ReagentPlus®, 99%

Sinonimo/i:

Carbonic acid dimethyl ester

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About This Item

Formula condensata:
(CH3O)2CO
Numero CAS:
616-38-6
Peso molecolare:
90.08
Beilstein:
635821
Numero CE:
210-478-4
Numero MDL:
MFCD00008420
Codice UNSPSC:
12352100
ID PubChem:
57654072
NACRES:
NA.21

Densità del vapore

3.1 (vs air)

Livello qualitativo

200

Tensione di vapore

18 mmHg ( 21.1 °C)

Nome Commerciale

ReagentPlus®

Saggio

99%

Forma fisica

liquid

Caratteristiche più verdi

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

sustainability

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Indice di rifrazione

n20/D 1.368 (lit.)

P. eboll.

90 °C (lit.)

Punto di fusione

2-4 °C (lit.)

Densità

1.069 g/mL at 25 °C (lit.)

Categoria alternativa più verde

, Aligned

Stringa SMILE

O=C(OC)OC

InChI

1S/C3H6O3/c1-5-3(4)6-2/h1-2H3
IEJIGPNLZYLLBP-UHFFFAOYSA-N

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Descrizione generale

Dimethyl carbonate (DMC) is a versatile, non-toxic, biodegradable reagent with tunable chemical reactivity. It serves as a green alternative to dimethyl sulfate or methyl halides and phosgene for methylation and carboxylation reactions. The base-catalyzed reaction between carbon dioxide and methanol to form DMC has been studied. Various thermodynamic parameters of DMC have been reported.

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Applicazioni

Dimethyl carbonate may be used to synthesize:
  • Methyl phenyl carbonate by transesterification with phenol.
  • Diphenyl carbonate by transesterification with methyl phenyl carbonate.
  • Methyl carbamates, a raw material for isocyanate synthesis.
  • Tetramethoxysilane by reacting with silica at 550-600K.

Caratteristiche e vantaggi

Greener solvent

Note legali

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Pittogrammi

Flame
GHS02

Avvertenze

Danger

Indicazioni di pericolo

H225

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)

60.8 °F - closed cup

Punto d’infiammabilità (°C)

16 °C - closed cup

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
MKCQ2142
STBK2322
MKCP0343
MKCN2994
MKCM0309

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Direct synthesis of dimethyl carbonate from carbon dioxide and methanol catalyzed by base.
Fang S and Fujimoto K.
Applied Catalysis A: General, 142(1), L1-L3 (1996)
Thermodynamic Properties of Dimethyl Carbonatea).
Zhou Y, et al.
Journal of Physical and Chemical Reference Data, 40(4), 043106-043106 (2011)
Jana Engeldinger et al.
Physical chemistry chemical physics : PCCP, 14(7), 2183-2191 (2011-11-18)
The simultaneous combination of steady state isotopic transient kinetic analysis (SSITKA) with diffuse reflectance Fourier transform spectroscopy (DRIFTS) and mass spectrometric (MS) analysis was applied to study the oxidative carbonylation of methanol (MeOH) to dimethyl carbonate (DMC) on a CuY
Catalysis in the production and reactions of dimethyl carbonate, an environmentally benign building block.
Ono Y.
Applied Catalysis A: General, 155(2), 133-166 (1997)
Liping Zhang et al.
Bioresource technology, 101(21), 8144-8150 (2010-07-02)
The transesterification of palm oil with dimethyl carbonate (DMC) for preparing biodiesel has been studied in solvent-free system at the catalysis of potassium hydroxide (KOH) as heterogeneous catalyst. Fatty acid methyl esters (FAMEs) were analyzed by GC with internal standard
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