3836. Diethyl Oxalacetate

Nomenclature

CAS number: 108-56-5
2-Oxobutanedioic acid 1,4-diethyl ester; ethyl oxalacetate; oxaloacetic ester.
C8H12O5; mol wt 188.18.
C 51.06%, H 6.43%, O 42.51%.

Description and references

Obtained by the action of sodium on a mixture of ethyl oxalate and ethyl acetate.

Chemical structure

Properties

Oily liquid. d420 1.131. bp24 132°. nD16.6 1.45614. Insol in water. Miscible with alc, benzene, ether. Dec when boiled at ordinary pressure. With water it gradually dec into alc and acetic and oxalic acids.

Derivative

Semicarbazone.

Nomenclature

CAS number: 4556-55-2
C9H15N3O5; mol wt 245.23.
C 44.08%, H 6.17%, N 17.13%, O 32.62%.

Properties

Crystals, mp 162°.