L-Menthol CAS #2216-51-5

Menthol, also known as hexahydrothymol, is commonly known as L-menthol, and its scientific name is 5-methyl-2-isopropyl-cyclohexanol. It is a very important cycloterpene alcohol. L-menthol has a characteristic mint aroma and has a cooling effect. Racemic – menthol also has a cooling effect, while other isomers have no cooling effect. L-menthol accounts for a large proportion of applications in medicine and health. It can be used as poultice, ointment, analgesic, local anesthetic, cooling agent, antipruritic agent, mouthwash, bactericide, and for the treatment of toothache, Tablets for stomach pain, neuralgia, etc.; the second largest use is spices. L-menthol is a spice in demand among cyclic monoterpene alcohols. It can be used as tobacco spices, used with peppermint oil to prepare toothpaste flavors, and other spices. Toilet water; menthol can also be used as a flavoring agent for a variety of foods, such as candies, chewing gum, cakes, fruit wine, refreshing drinks, etc.

L-Menthol CAS #2216-51-5

L-Menthol Basic information
Product Name: L-Menthol
Synonyms: (1R,2S,5R)-(-)-MENTHOL, 99+%, SUBLIMED;L-MENTHOL 99+% NATURAL FCC;L-MENTHOL, 99+%;(1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexanol;Cyclohexanol, 5-methyl-2-(1-methylethyl)-, [1R-(1α,2,5α)]-;(1R,2S,5R)-(L)-Menthol;Mentol Crysta;L-MENTHOL, BP 99+%
CAS: 2216-51-5
MF: C10H20O
MW: 156.27
EINECS: 218-690-9
Product Categories: Inhibitors;Organics;chiral;Biochemistry;Terpenes;Terpenes (Others);for Resolution of Acids;Monocyclic Monoterpenes;Optical Resolution;Synthetic Organic Chemistry;API;2216-51-5
Mol File: 2216-51-5.mol
L-Menthol Structure
L-Menthol Chemical Properties
Melting point 41-45 °C (lit.)
Boiling point 212 °C (lit.)
alpha -51 º (589nm, c=10, EtOH)
density 0.89 g/mL at 25 °C (lit.)
vapor pressure 0.8 mm Hg ( 20 °C)
FEMA 2665 | MENTHOL RACEMIC
refractive index 1.46
Fp 200 °F
storage temp. Store below +30°C.
solubility 490mg/l
form Crystals or Crystalline Needles
pka 15.30±0.60(Predicted)
Specific Gravity 0.89
color Colorless to white
Odor at 10.00 % in dipropylene glycol. peppermint cooling mentholic minty
Odor Type mentholic
optical activity [α]22/D 49°, c = 10 in 95% ethanol
Water Solubility insoluble
Merck 14,5837
BRN 1902293
Dielectric constant 3.2(Ambient)
Stability: Stable.
InChIKey NOOLISFMXDJSKH-KXUCPTDWSA-N
LogP 3.15 at 25℃
CAS DataBase Reference 2216-51-5(CAS DataBase Reference)
NIST Chemistry Reference Cyclohexanol, 5-methyl-2-(1-methylethyl)-, [1R-(1«alpha»,2«beta»,5«alpha»)]-(2216-51-5)
EPA Substance Registry System Levomenthol (2216-51-5)