7312. 4-Phenylsemicarbazide

Nomenclature

CAS number: 537-47-3
N-Phenylhydrazinecarboxamide; anilinoformylhydrazine; hydrazinecarboxanilide.
C7H9N3O; mol wt 151.17.
C 55.62%, H 6.00%, N 27.80%, O 10.58%.

Description and references

Prepd by the action of hydrazine hydrate on phenylurea: Curtius, J. Prakt. Chem. [2] 58, 216 (1898); Wheeler, Org. Synth. coll. vol. I (2nd ed., 1941) p 450.

Chemical structure

Properties

Orthorhombic plates from water, mp 122°. Insol in ether, difficultly sol in hot water. Freely sol in alcohol, chloroform, dil acids and alkalies.

Derivative

Hydrochloride.

Nomenclature

CAS number: 5441-14-5
C7H9N3O.HCl; mol wt 187.63.
C 44.81%, H 5.37%, N 22.40%, O 8.53%, Cl 18.90%.

Properties

Prisms, mp 215°; freely sol in water and alcohol.