Deadly Smoke
Major Toxic Agents in Cigarette Smoke
from "A Report of the Surgeon General, 1989"

Vapor Phase

Ingredient

Biological Activity

Carbon monoxide

Toxic

Carbonyl sulfide

Toxic

Benzene

Carcinogenic

Formaldehyde

Carcinogenic

3-Vinylpyridinen

Suspected carcinogenic

Hydrogen cyanide

Toxic

Hydrazine

Carcinogenic

Nitrogen oxides

Toxic

N-Nitrosodimethylamine

Carcinogenic

 N-Nitrosopyrrolidine

Carcinogenic

Particulate Phase

Ingredient

Biological Activity

Tar

Carcinogenic

Nicotine

Toxic

Phenol

Tumor promoter

Catechol

Cocarcinogen

o-Toluidine

Carcinogenic

2-Naphthylamine

Carcinogenic

4-Aminobiphenyl

Carcinogenic

Benz(a)anthracene

Carcinogenic

Benzo(a)pyrene

Carcinogenic

Quinoline

Carcinogenic

NNN

Carcinogenic

N-Nitrosodiethanolamine

Carcinogenic

Cadmium

Carcinogenic

Nickel

Carcinogenic

Polonium 210

Carcinogenic