Toluene is found naturally in crude oil, and is used in oil refining and the manufacturing of paints, lacquers, explosives (TNT) and glues. In homes, toluene may be found in paint thinners, paintbrush cleaners, nail polish, glues, inks and stain removers

toluene (C₆H₅CH₃) is a colorless liquid with a sweet, pungent odor. Exposure to toluene can cause eye and nose irritation, tiredness, confusion, euphoria, dizziness, headache, dilated pupils, tears, anxiety, muscle fatigue, insomnia, nerve damage, inflammation of the skin, and liver and kidney damage.

Toluene (/ˈtɒl.juˌin/), also known as toluol (/ˈtɒl.juˌɒl, -ˌɔːl, -ˌoʊl/),[7][8] is an aromatic hydrocarbon. It is a colorless, water-insoluble liquid with the smell associated with paint thinners. 

TOLUENE LR