Title:  Carbanilide 
CAS Registry Number:  102-07-8 
CAS Name:  N,N¢-Diphenylurea 
Additional Names:  diphenylcarbamide;  1,3-diphenylurea;  sym-diphenylurea 
Molecular Formula:  C13H12N2O 
Molecular Weight:  212.25 
Percent Composition:  C 73.56%, H 5.70%, N 13.20%, O 7.54% 
Line Formula:  C6H5NHCONHC6H5 
Literature 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). 
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). 
Melting point:  mp 238° 
Boiling point:  bp 260° (decompn) 
Density:  d 1.239   |