1785. Carbanilide

Nomenclature

CAS number: 102-07-8
N,N′-Diphenylurea; diphenylcarbamide; 1,3-diphenylurea; sym-diphenylurea.
C13H12N2O; mol wt 212.25.
C 73.56%, H 5.70%, N 13.20%, O 7.54%.

Description and references

Obtained during the preparation of phenylurea from aniline hydrochloride and urea: Davis, Blanchard, Org. Synth. coll. vol. I, 453 (2nd ed., 1941). Crystal structure: W. Dannecker et al., Cryst. Struct. Commun. 8, 429 (1979).

Chemical structure

Properties

Orthorhombic prisms from alc. d 1.239. mp 238°. bp 260° (decompn). Sublimes in current of hydrogen at 220°. Sol in ether, glacial acetic acid. Sparingly sol in water (0.15 g/l), acetone, alcohol, chloroform. Moderately sol in pyridine (69.0 g/l).