Smoke constituents

According to the U.S. Department of Health and Human Services, the following carcinogens are 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 per cigarette


 * 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, depending on soil and fertilizer used to grow tobacco
 * Polycyclic aromatic hydrocarbon
 * 28 to 100 milligrams


 * o-Toluidine
 * 32 nanograms


 * Vinyl chloride
 * 5.6 to 27 nanograms