Thymol takes the form of colorless crystals or white crystalline powder with a spicy-herbal, slightly medicinal odor reminiscent of thyme and a sweet, spicy taste. This substance is prepared from oil of thyme and is also known as thyme camphor. Thymol is used as a flavor ingredient, as a preservative, antioxidant, lab reagent and as synthetic menthol. It is found in liniments, lip balms, toothpaste and mouthwash such as Listerine. It is also used in solutions against fungi and as insect repellent. Thymol is an important starting material for the production of racemic menthol. In veterinary medicine, thymol has been used as anthelmintic (expels parasites, especially against hookworms infections) and as antiseptic for external and internal use. Thymol is mild when used locally but excessive exposure can cause gastric pain, nausea and vomiting.
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Common molecules
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Obtained courtesy of the Cambridge Structural Database
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