P-cymene is a monoterpene that is toluene substituted by an isopropyl group at position 4. It has a role as a plant metabolite, a volatile oil component and a human urinary metabolite. It is a member of toluenes and a monoterpene. Description: P-cymene is a colorless liquid with ... Molecular Formula: C10H14 or CH3C6H4CH... Synonyms: P-CYMENE4-Isopropyltoluene99-...