Nomenclature
CAS number: 556-89-8
N-Nitrocarbamide.
CH
3N
3O
3; mol wt 105.05.
C 11.43%, H 2.88%, N 40.00%, O 45.69%.
NH
2CONHNO
2.
Description and references
Prepd by the action of concd sulfuric acid
upon urea nitrate: Thiele, Lachman, Ann. 288, 281 (1895); Ingersoll, Armendt, Org. Synth. 5, 85 (1925). By dropwise addition
of HCl to a cooled mixture of silver cyanate and nitramide in water:
Davis, Blanchard, J. Am. Chem. Soc. 51, 1794 (1929).
Properties
Platelets from alcohol + petr ether dec 158.4-158.8°.
pK (20°) 2.15.
Absorption spectrum: Baly, Desch, J. Chem.
Soc. 93, 1753 (1908). Explosive. Soluble in hot water, but water solns are
unstable. Decompn in aq alkaline solns is almost instantaneous.
Freely sol in acetone, alcohol, acetic acid. Sparingly sol in petr
ether, chloroform, benzene. Stable to oxidizing agents. Can be detonated,
but is not sensitive to percussion or heating.