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616-38-6 - Dimethyl carbonate, 99% - Carbonic acid dimethyl ester - Methyl carbonate - A13104 - Alfa Aesar

A13104 Dimethyl carbonate, 99%

Número CAS
Nombre Alternativo
Carbonic acid dimethyl ester
Methyl carbonate

Tamaño Precio ($) Cantidad Disponibilidad
100g 16,00
500g 35,80
2500g 115,00
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Dimethyl carbonate, 99%


Propiedades químicas

Peso molecular
Punto de fusión
ca 4°
Punto de ebullición
Punto de inflamabilidad
Índice de refracción
Moisture Sensitive
Miscible with alcohol and ether. Immiscible with water.


Dimethyl carbonate is used as a solvent in organic synthesis and considered as a replacement for solvent like methyl ethyl ketone, tert-butyl acetate and parachlorobenzotrifluoride. It is involved as an intermediate in the preparation of diphenylcarbonate, which in turn is used as a key raw material for the synthesis of Bisphenol-A-polycarbonate. It is also used as a 'green' methylating agent involved in the methylation of aniline, phenols and carboxylic acids. It can be used as a fuel additive due to its high oxygen content. It also finds applications related to supercapacitors and lithium batteries.


Air and moisture sensitive. Keep container tightly closed in a dry and well-ventilated place. Incompatible with oxidizing agents, strong acids and strong bases.

Referencias documentales

Conversion of a ketone to its methoxycarbonyl derivative has been used to change the preferred site of chlorination to the less-substituted carbon atom: Synthesis, 188 (1987):

Grignard reagents react in THF to give methyl esters, providing a high-yield, one-pot synthesis of carboxylic esters from alkyl or aryl halides: Synth. Commun., 20, 3273 (1990).

Useful alkylating agent. Although less reactive, dimethyl carbonate has the advantage of much lower toxicity than the more usual sulfate or iodide. In the presence of K2CO3 and 18-crown-6, alcohols, phenols, thiols, imidazoles, etc. can be methylated: Synthesis, 382 (1986). For K2CO3 promoted alkylation of active methylene compounds at 180-220o (pressure), see: Rec. Trav. Chim., 115, 256 (1996); Org. Synth., 76, 169 (1998). Other dialkyl carbonates behave similarly.

For other reactions of dialkyl carbonates, see Diethyl­ carbonate, A12477.

Nale, D. B.; Bhanage, B. M. Copper-catalyzed efficient synthesis of a 2-benzimidazolone scaffold from 2-nitroaniline and dimethyl carbonate via a hydrosilylation reaction. Green Chem. 2015, 17 (4), 2480-2486.

Earle, M. J.; Noe, M.; Perosa, A.; Seddon, K. R. Improved synthesis of tadalafil using dimethyl carbonate and ionic liquids. RSC Adv. 2014, 4 (3), 1204-1211.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H225

Highly flammable liquid and vapour.

Indicaciones de precaución: P210-P280-P240-P241-P233-P242-P243-P303+P361+P353-P403+P235-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Keep container tightly closed. Use only non-sparking tools. Take precautionary measures against static discharge. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. Store in a well-ventilated place. Keep cool. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Clase de peligro
Grupo de embalaje
Código de tarifa arancelaria unificado


  • A12477

    Diethyl carbonate, 99+%
  • A15735

    Ethylene carbonate, 99%
  • 10769

    Lithium foil, 0.75mm (0.03in) thick x 19mm (0.75in) wide, 99.9% (metals basis)
  • 11529

    Lithium hexafluorophosphate, 98%
  • 44225

    Lithium perchlorate, anhydrous, 99%

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