3125. Diethyl Oxalate

Nomenclature

CAS number: 95-92-1
Ethanedioic acid 1,2-diethyl ester; ethyl oxalate; diethyl ethanedioate; oxalic acid diethyl ester.
C6H10O4; mol wt 146.14.
C 49.31%, H 6.90%, O 43.79%.

Description and references

Prepn: Clarke, Davis, Org. Synth. coll. vol. I, 256 (2nd ed., 1941); Kenyon, ibid. 261.

Chemical structure

Properties

Liquid. d420 1.0785. mp -40.6°; bp760 185.7°; bp100 130.8°; bp20 96.8°; bp1.0 47°. nD20 1.41011. Flash pt, open cup: 168°F (75°C). Sparingly sol in water which dec it gradually; miscible with alcohol, ether, and other usual org solvents.

Use

Manuf phenobarbital, ethylbenzyl malonate, triethylamine, and similar chemicals, plastics, dyestuff intermediates. Solvent for cellulose esters, perfumes.