List of Chemicals and there quantity per Cigarette..

According to the U.S. Department of Health and Human Services, 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 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:-	depends on soil and fertilizer used to grow tobacco
Polycyclic aromatic hydrocarbons:-	28 to 100 milligrams
o-Toluidine:-	32 nanograms
Vinyl chloride:-	5.6 to 27 nanograms