Major Category
Nitrogen Compounds
Synonyms
9-Azafluorene; 9H-Carbazole; Dibenzo(b,d)pyrrole; Dibenzopyrrole; Diphenyleneimine; Diphenylenimide; Diphenylenimine; SKF 20091; [ChemIDplus] UN3077
Category
Amines, Polyaromatic
Description
White solid; [Hawley] Sublimes readily; Exhibits strong fluorescence and long phosphorescence on exposure to ultraviolet light; [CAMEO] Faintly beige powder; [MSDSonline]
Sources/Uses
Used in UV sensitive photographic plates and as a reagent and dye intermediate; [Merck Index] Used to make insecticides, lubricants, explosives, and rubber antioxidants; Also used as an odor inhibitor in detergents; [Hawley]
Comments
There is no data available on cancer in humans. There is sufficient evidence of carcinogenicity in experimental animals. Carbazole is possibly carcinogenic to humans (Group 2B). [IARC, Vol. 103, 2013] May cause allergic dermatitis and bronchitis; [CAMEO] An irritant; [MSDSonline] No results for "86-74-8 AND (allergic OR sensitizer OR sensitization OR dermatitis)"; [PubMed]
Vapor Pressure
1.37E-06 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Environmentally hazardous substances, solid, n.o.s."
IARC Carcinogen
Possible (2b)
Processes
Industrial Processes with risk of exposure: