DefinitionBenzene is a clear, liquid, petroleum-based chemical that has a sweet smell. Benzene poisoning occurs when someone swallows, breathes in, or touches benzene.This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or the National Poison Control Center at 1-800-222-1222.Poisonous IngredientBenzeneWhere FoundPeople may be exposed to benzene in factories, refineries, and other industrial settings. Benzene may be found in:Additives to gasoline and diesel fuelMany industrial solventsVarious paint, lacquer, and varnish removersNote: This list may not include all sources of benzene.SymptomsEyes, ears, nose, and throat Blurred visionBurning sensation in the