Yes, menthol can exist in more than one form.
a. Observations of menthol as a solid: When cooled, menthol appears as white, crystalline solid crystals, which exhibit a characteristic minty aroma.
b. Observations of menthol as a liquid: When heated, menthol melts into a clear, viscous liquid that retains its strong menthol scent and viscosity.
c. Observations of menthol as a gas: When menthol is vaporized, it releases a pungent, cooling fragrance that can fill the air, indicating its volatile nature in gaseous form.