Properties of Menthol


                   Physical properties of menthol: 

 

Molecular formula  

C10H20O  

Molar mass  

156.27 g/mol  

Appearance  

White or colorless
crystalline solid  

Density and phase  

0.890 g/cm3, solid
(racemic or (−)-isomer)  

Solubility in water  

Slightly soluble, (−)-isomer  

In ethanol, diethyl ether, acetone, chloroformacetic acid, hexane  

Soluble  

Melting point  

36-38 °C (311 K), racemic
35-33-31 °C, (−)-isomer  

Boiling point  

212 °C (485 K)  

Odor

Peppermint oil 

Density

0.89 g/l 

Vapor Pressure (mm Hg)

0.8 at 21C (70F) 

Chiral rotation *D  

-50° at 18 °C, 10% EtOH soln.  

Main hazards  

Irritant, flammable  

 

 

Thermodynamic data  

Phase behavior : Solid, liquid, gas  

   

Related alcohols  

Cyclohexanol, Pulegol,
Dihydrocarveol, Piperitol  

Related compounds  

Menthone, Menthene, Thymol, p-Cymene,
Citronellal  

     

Note: The data are given for materials in their standard state (at 25°C, 100 kPa).