A phenol derivative of cymene, C10H13.OH, isomeric with carvacrol, found in oil of thyme, and extracted as a white crystalline substance of a pleasant aromatic odor and strong antiseptic properties; -- called also hydroxy cymene.

Oil of thyme (thymol) has a powerful antiseptic action for which it is used in mouthwashes, toothpastes and soap. Thymol is also effective against ascarids and hookworms. As a local irritant, it can be used externally for warts or to encourage the flow of blood to the surface. See Thyme.

Source Melaleuca Alternifolia Free. Purpose An antiseptic and healing agent.

A fungus-killing agent commonly used to treat athlete's foot. Thymol can be used to rid antique books, documents and textiles of mold. I can't really advise you to spray old maps with athlete's foot medication although I've heard of it being done.