The empirical formula for menthol is "C10H20O." This formula denotes a compound containing 10 atoms of carbon, 20 atoms of hydrogen and one atom of oxygen.
Menthol can be either a naturally occurring or synthetically derived compound, and its exact chemical structure can vary. However, the formula for menthol remains the same. To obtain menthol naturally, it can be extracted from mint oils. Menthol is frequently used in such consumer products as topical analgesics, aftershave, smoking tobacco, pesticide and perfumes. Its naturally derived mint flavor also supports its use in oral hygiene products, such as mouthwash, toothpaste and mouth spray.