Dimethyl oxalate

Dimethyl oxalate
Skeletal formula of dimethyl oxalate
Ball-and-stick model of the dimethyl oxalate molecule
Names
Preferred IUPAC name
Dimethyl oxalate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.231 Edit this at Wikidata
UNII
  • InChI=1S/C4H6O4/c1-7-3(5)4(6)8-2/h1-2H3
    Key: LOMVENUNSWAXEN-UHFFFAOYSA-N
  • InChI=1/C4H6O4/c1-7-3(5)4(6)8-2/h1-2H3
    Key: LOMVENUNSWAXEN-UHFFFAOYAF
  • O=C(OC)C(=O)OC
Properties
C4H6O4
Molar mass 118.088 g·mol−1
Appearance White crystals
Melting point 53 to 55 °C (127 to 131 °F; 326 to 328 K)[1]
Boiling point 166 to 167 °C (331 to 333 °F; 439 to 440 K)[1]
-55.7·10−6 cm3/mol
Related compounds
Related compounds
Diphenyl oxalate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Dimethyl oxalate is an organic compound with the formula (CO2CH3)2 or (CH3)2C2O4. It is the dimethyl ester of oxalic acid. Dimethyl oxalate is a colorless or white solid that is soluble in water.

  1. ^ a b P. P. T. Sah and S-L. Chien, Journal of the American Chemical Society, 1931, 53, 3901-3903.