CAS:2216-51-5
Molecular Formula:C10H20O
Molecular Weight:156.27
EINECS:218-690-9
Synonyms:(1R-(1-alpha,2-beta,5-alpha))-5-Methyl-2-(1-methylethyl)cyclohexanol; (1r,3r,4s)-(-)-mentho; (1R,3R,4S)-(-)-MENTHOL;(R)-(-)-Menthol; EmtricitabineImpurity31; NaturalMentholCrystal; L-MengalcoholNaturalmentholMenthol(L); DL-Mentholmentholcrystalextract
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What is Menthol Cas 2216-51-5
Colorless needle-shaped crystals with a refreshing mint aroma. Relative density d1515=0.890, melting point 41~43℃, boiling point 216℃, 111℃ (2.67kPa), specific optical rotation αD20=-49.3°, refractive index nD20=1.46Chemicalbook09. Soluble in organic solvents such as ethanol, acetone, ether, chloroform and benzene, and slightly soluble in water. The chemical properties are relatively stable and can evaporate together with steam. Rat oral LD503.3g/kg, ADI0 ~ 0.2mg/kg (FAO/WHO, 1994).
Specification
| Testing Items |
Standard Requirements |
Testing Result |
|
Appearance |
Colorless transparent prismatic or acicular crystal |
Qualified |
|
Scent |
aroma of Asia natura menthol feature |
Qualified |
|
melting point |
42℃-44℃ |
42.2℃ |
|
Non-volatile matter |
≤0.05% |
0.01% |
|
specific rotation |
-43 °– -52 ° |
-49.45 ° |
|
Heavy Metals (By pb) |
≤0.0005% |
0.00027% |
|
Solubility |
Add 1g sample to 5ml of ethanol 90%(v/v), obtaining a settled solution. |
Qualified |
|
Levo-menthol Content |
95.0％～105.0% |
99.2% |
Application
L-Menthol is used as a cooling agent that strongly activates TRPM8.(Transient Receptor Potential Cation Channel, Subfamily M, Member 8 is a Protein Coding gene). It is used as analgesic (topical), antipruritic agent. It is used as: refreshing agent, food flavor, cool and antipruritic drug, carminative drug. Menthol crystals is used for pers onal care and cosmetics.
Package
25kgs/drum,9tons/20’container
25kgs/bag,20tons/20’container
Related Keywords
(1R-(1-alpha,2-beta,5-alpha))-5-Methyl-2-(1-methylethyl)cyclohexanol; (1r,3r,4s)-(-)-mentho;(1R,3R,4S)-(-)-MENTHOL; (R)-(-)-Menthol; EmtricitabineImpurity31; NaturalMentholCrystal; L-MengalcoholNaturalmentholMenthol(L); DL-Mentholmentholcrystalextract
