2689. Cyanoacetic Acid

Nomenclature

CAS number: 372-09-8
2-Cyanoacetic acid; malonic mononitrile.
C3H3NO2; mol wt 85.06.
C 42.36%, H 3.55%, N 16.47%, O 37.62%.

Description and references

Prepd from chloroacetic acid and NaCN: Ruggli, Businger, Helv. Chim. Acta 25, 35 (1942); Lapworth, Baker, Org. Synth. coll. vol. I, 181 (1941); GB 824640 (1959); Eaker, US 2539238 (1951 to Monsanto).

Chemical structure

Properties

Hygroscopic crystals, mp 66°; dec at 160° into CO2 and acetonitrile. bp15 108°. Sol in water, alcohol, ether, slightly in benzene, chloroform. Keep well closed.

Use

Synthesis of intermediates; manuf barbital.