DefinitionToluene and xylene are powerful compounds that are found in many household and industrial substances. Toluene and xylene poisoning can occur when someone swallows these substances, breathes in their vapors, or when these substances touch the skin.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.Alternative NamesXylene poisoningPoisonous IngredientToluene (methylbenzene, phenylmethane)Xylene (ortho xylene, meta-xylene, para-xylene)Where FoundFingernail polishGlues/adhesivesLacquersOctane booster in gasolinePaintsPaint thinnersPrinting and leather tanning processesRubber and plastic cement