List_of_cigarette_smoke_carcinogens References

Commercial tobacco smoke is a mixture of more than 5,000 chemicals.^[1] According to the U.S. Department of Health and Human Services,^[2] the following are known human carcinogens found in cigarette smoke:

Chemical	Amount (per cigarette)
Acetaldehyde	980 micrograms to 1.37 milligrams
Acrylonitrile	formerly 1 to 2 milligrams. This product was used as a fumigant in tobacco. Its use has since been discontinued.
4-Aminobiphenyl	0.2 to 23 nanograms
o-Anisidine hydrochloride	unknown
Arsenic	unknown
Benzene	5.9 to 75 micrograms
Beryllium	0.5 nanograms
1,3-Butadiene	152 to 400 micrograms
Cadmium	1.7 micrograms
1,1-Dimethylhydrazine	unknown
Ethylene oxide	unknown
Formaldehyde	unknown
Furan	unknown
Heterocyclic amines	unknown
Hydrazine	32 micrograms
Isoprene	3.1 milligrams
Lead	unknown
2-Naphthylamine	1.5 to 35 nanograms
Nitromethane	unknown
N-Nitrosodi-n-butylamine	3 nanograms
N-Nitrosodiethanolamine	24 to 36 nanograms
N-Nitrosodiethylamine	up to 8.3 nanograms
N-Nitrosodimethylamine	5.7 to 43 nanograms
N-Nitrosodi-n-propylamine	1 nanogram
4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanone	up to 4.2 micrograms
N-Nitrosonornicotine	14 micrograms
N-Nitrosopiperidine	unknown
N-Nitrosopyrrolidine	113 nanograms
N-Nitrososarcosine	22 to 460 nanograms
Polonium-210	variable^[3]
Polycyclic aromatic hydrocarbons	28 to 100 milligrams
o-Toluidine	32 nanograms
Vinyl chloride	5.6 to 27 nanograms

References

^ Talhout, Reinskje; Schulz, Thomas; Florek, Ewa; Van Benthem, Jan; Wester, Piet; Opperhuizen, Antoon (2011). "Hazardous Compounds in Tobacco Smoke". International Journal of Environmental Research and Public Health. 8 (12): 613–628. doi: 10.3390/ijerph8020613. ISSN 1660-4601. PMC 3084482. PMID 21556207.
^ "About the Report on Carcinogens". Archived from the original on 2013-04-10. Retrieved 2013-04-16.
^ Godwin, W. S.; Subha, V. R.; Feroz, K. M. (2010). "²¹⁰Po radiation dose due to cigarette smoking" (PDF). Current Science. 98: 681–686. Retrieved 26 July 2014.