9766. Triuret

Nomenclature

CAS number: 556-99-0
Diimidotricarbonic diamide; N,N′-bis(aminocarbonyl)urea; 1,3-dicarbamylurea; carbonyldiurea.
C3H6N4O3; mol wt 146.10.
C 24.66%, H 4.14%, N 38.35%, O 32.85%.

Description and references

Prepared by the action of phosgene on urea: Schiff, Ann. 291, 374 (1896); Blair, J. Am. Chem. Soc. 48, 101 (1926); Haworth, Mann, J. Chem. Soc. 1943, 603; Werner, Gray, Sci. Proc. R. Dublin Soc. 24, 111 (1946).

Chemical structure

Properties

Crystals from ammonia water, dec 233°. Freely sol in liquid ammonia. Forms a mono- and dipotassium salt, see Blair, loc. cit.