Introduction
CAS #: 89-78-1
Structural formula: C10H20O
Specification: L-Menthol 99.9%
Appearance: white to yellow liquid
Odor: peppermint aroma
Optical Rotation: -49°C~-50°C
Freezing Point: 42°C~44°C
Boiling point: 212 ~ 216°C
Flash Point : 87°C
Nonvolatile Matter: 0.05 Maximum
Solubility: 1g soluble in 5ml 90% ethanol
Application: widely used in toothpaste, tooth powder, mouth water flavor and aromatic drugs etc.
Description:
|
tem |
Specification |
|
Appearance |
Colorless transparent needle crystals |
|
Fragrance |
Like Asia menthol crystals smell |
|
Specific rotation |
-50° -- -49° |
|
Melting point |
42℃ -- 44℃ |
|
Solubility in Alcohol (25℃) |
1g: 5ml (90%) |
|
Non-volatile matter |
1mg max |
|
As |
3 ppm max |
|
Heavy metals |
10 ppm max |
Function
1. Menthol has effect on inflammation of the eye, sore throat, ulcers in the mouth;
2. Menthol is used to treat rubella measles; discomfort with feeling of distension in the chest and hypochondriac regions;
3. Menthol has function of headache in influenza, upper respiratory infection and other epidemic febrile diseases at the inital stage.
Application
1. In food field
Menthol crystals is usually used as additives, with distinct fragrance smell, menthol can promote digestion and increase appetite;
2. In daily necessities field
Menthol can be added into a large amount of oral cleaning products, such as dentifrices, mouthwash and tooth powder;
3. In pharmaceutical field
Due to menthol has the function of inhibition and paralysis to sensory nerve endings, it can be used as counter irritant.
