International Agency for Research on Cancer (IARC) - Summaries & Evaluations
VOL.: 32 (1983) (p. 277)
CAS No.: 226-36-8
Chem. Abstr. Name: Dibenz(a,h)acridine
5. Summary of Data Reported and Evaluation
5.1 Experimental data
Dibenz[a,h]acridine has been shown to be carcinogenic to
No data on the teratogenicity of this compound were available.
Both positive and negative results were obtained in tests of
mutagenicity in Salmonella typhimurium.
There is inadequate evidence that dibenz[a,h]acridine is active
in short-term tests.
5.2 Human data
Dibenz[a,h]acridine is present as a minor component of the total
content of polynuclear aromatic compounds in tobacco smoke and urban
There is sufficient evidence that dibenz[a,h]acridine is
carcinogenic to experimental animals.
For definition of the italicized terms, see Preamble Evaluation.
Previous evaluation: Vol. 3 (1973)
Subsequent evaluation: Suppl. 7 (1987) (p. 61: Group 2B)
Last updated: 17 April 1998