Title:  2,4¢-Biphenyldiamine 
CAS Registry Number:  492-17-1 
Additional Names:  Diphenyline;  2,4¢-diphenyldiamine;  o,p¢-dianiline;  2,4¢-diaminodiphenyl 
Molecular Formula:  C12H12N2 
Molecular Weight:  184.24 
Percent Composition:  C 78.23%, H 6.56%, N 15.20% 
Literature References:  Preparation by reducing azobenzene with tin and hydrochloric acid:  Fischer, Monatsh. Chem. 6, 547 (1885). 
Properties:  Needles from dil alc, mp 45°.  bp 363°.  Very slightly sol in alc or ether. 
Melting point:  mp 45° 
Boiling point:  bp 363° 
Use:  Detection of tungsten; manuf azo dyes.   |