Diphenylbenzidine

Name:
Diphenylbenzidine
Detailed information:

M Formula:	C6H5HNC6H4C6H4NHC6H5
Properties:
White powder. Mp 242C.Insoluble in water; slightly soluble in alcohol and acetone; soluble in boiling toluene, sensitive to light.
Derivation:
Diphenylamine and fuming sulfuric acid.
Hazard:
May be carcinogenic; see Benzidine.
Use:
Determination of zinc and nitrites.