Toluene

**Semantic type:** Hazardous or Poisonous Substance|Indicator, Reagent, or Diagnostic Aid|Organic Chemical

**Definition:** An aromatic hydrocarbon composed of a benzene ring linked to one methyl group. Toluene is used a solvent or as a chemical intermediate in various industrial applications. Rapid inhalation of high concentrations of toluene can cause severe neurological complications.

**Synonyms:** - Benzene, Methyl- - Methane, Phenyl- - Methylbenzene - Phenylmethane - TOLUENE - Toluol