L-Menthol CAS#2216-51-5

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• Chemical Name:  L-Menthol
• CAS No.:     2216-51-5
• Molecular Fomula: ：C10H20O
• Molecular weight：156.27
• Appearance:Colorless, Colorless needle-like crystals
• Sample：Available

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Description of Emtricitabine Impurity

• Menthol is an organic compound made synthetically or obtained from corn mint, peppermint, or other mint oils. It is a waxy, crystalline substance, clear or white in color, which is solid at room temperature and melts slightly above. The main form of menthol occurring in nature is (−)-menthol, which is assigned the (1R,2S,5R) configuration. Menthol has local anesthetic and counterirritant qualities, and it is widely used to relieve minor throat irritation. Menthol also acts as a weak kappa opioid receptor agonist.

Basic Info of Emtricitabine Impurity

Basic Info
Numbering system
Properties
Safety Info
Basic Info
Chemical Name L-Menthol
Synonyms (−)-Menthol,(1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol,5-Methyl-2-(1-methylethyl)cyclohexanol;L-MENTHOL;L-MentholuM;(1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol (5-Methyl-2-(1-methylethyl)cyclohexanol;(1R,2S,5R)-2-isopropyl-5-methylcyclohexan-1-ol;Expand
CAS No. 2216-51-5
Molecular Formula C10H20O
Molecular Weight 156.26500
PSA 20.23000
LogP 2.43950
Numbering system

Properties

Safety Info

What is L-Menthol ?

• With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is L-Menthol   which has developed particularly rapidly in recent years. Do you know about L-Menthol?
• The official answer：Colorless needle-like crystals, with a cool mint aroma. Relative density d1515=0.890,melting point 41-43℃,boiling point 216℃,111℃(2.67kPa),specific rotation αD20=-49.3°,refractive index nD20=1.4609.Soluble in organic solvents such as ethanol, acetone, ether, chloroform, and benzene, slightly soluble in water. Chemically stable, can be volatilized with steam. Oral LD 503.3g/kg in rats, ADI 0~0.2mg/kg (FAO/WHO, 1994).

What’s the application of L-Menthol ?

• Peppermint brain is an edible spice that is allowed to be used in China, mainly for flavoring toothpaste, candy, and beverages. Dosage according to normal production needs, generally in chewing gum 1100mg/kg; candy 400mg/kg; baked goods in 130mg/kg; ice cream in 68mg/kg; soft drinks in 35mg/kg. use GB2760-1996 provides natural mint brain for the use of edible spices allowed. 2001, dl-type film brain is also allowed to use food spices. For the preparation of mint-type spices (can account for 10% ~ 18%), can also be used in candy (mint candy, gum sugar), drinks, ice cream, etc. (dosage 0.054% ~ 0.1%). Menthol and menthol can be used as toothpaste, perfume, beverages, and candy fragrances. In medicine as a stimulant, acting on the skin or mucous membranes has a cooling effect on itching; taken internally as an anthelmintic, used for headaches and inflammation of the nose, throat, throat, etc… Its ester is used in spices and medicines. In the world, China and Brazil are the main natural mint-producing countries, and the annual production of mint oil both reach 2000-3000t.

Conclusion

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