Thymol is a phenol that is a natural monoterpene derivative of cymene. It has a role as a volatile oil component. It is used as a stabilizer in pharmaceutic preparations.
Thymol is a natural monoterpenoid phenol derivative of p-Cymene, C10H14O, isomeric with carvacrol, found in oil of thyme, and extracted from Thymus vulgaris (common thyme), Ajwain and various other kinds of plants as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties.