Title: p-Nitrosodiphenylamine
CAS Registry Number: 156-10-5
CAS Name: 4-Nitroso-N-phenylbenzenamine
Molecular Formula: C12H10N2O
Molecular Weight: 198.22
Percent Composition: C 72.71%, H 5.08%, N 14.13%, O 8.07%
Line Formula: C6H5NHC6H4NO
Literature References: Review of toxicology and human exposure: Toxicological Profile for N-Nitrosodiphenylamine (PB93-182509, 1993) 114 pp.
Properties: Green plates with bluish luster (from benzene) or steel-blue prisms or plates (from ether + water). mp 144-145°. Slightly sol in water or petr ether; freely sol in alcohol, ether, chloroform, benzene. Dissolves in H2SO4 with a red color, which suddenly changes to violet on warming.
Melting point: mp 144-145°
NOTE: This substance was formerly anticipated to be a carcinogen: Fifth Annual Report on Carcinogens (NTP 89-239, 1989) p 212; delisted for insufficient evidence of carcinogenicity: Sixth Annual Report on Carcinogens (PB92-120666, 1991) p 13.
Use: Has been used as retardant in vulcanizing rubber. |