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99% Min L-Menthol CAS 2216-51-5

99% Min L-Menthol CAS 2216-51-5

L-Menthol  CAS 2216-51-5 is an organic compound, more specifically a monoterpenoid, made synthetically or obtained from the oils of corn mint, peppermint, or other mints.

  • CAS No. :

    2216-51-5
  • EINECS :

    218-690-9
  • Package :

    25kg/drum
  • Brand :

    TOPINCHEM®
  • Formula :

    C10H20O
  • Minimum Order :

    500KG
  • Item :

    L-Menthol

99% Min L-Menthol CAS 2216-51-5

 

Description

Fragrance L-Menthol crystals are cooling, refreshing, and have a pleasantly strong minty aroma. They are often used in cosmetics, salves,balms, medicated creams, throat lozenges, toothpaste, mouthwash, gum, foot sprays, pain relief or cooling body products, shampoos,conditioners, liniments, shaving creams, oral or throat sprays, compresses, medicated oils, and cooling gels.

 

High purity 99.5% L-Menthol crystals are excellent for use in these products to help relieve muscular aches and pains, coughing, congestion, the flu, and upper respiratory  problems. Since Menthol crystals are so concentrated, only a very small amount is needed within products. When purchasing Menthol crystals remember that a good quality menthol crystal usually contains not less than 99.4% menthol.

 

Specification

Item Specifications Results
USP31 BP2012
Identification Colorless, transparent hexagonal or needlelike crystals. Conforms
Melting point 41~44ºC About43ºC 41.5~42.5ºC
Solubility 1g soluble in 5ml of 90%(v/v)alcohol, forming a clear solution Conforms
Specific rotation -45°~-51° About-50° -49.68°
Limit of nonvolatile residue Not overrun 0.05 under condition of 105ºC 0.01
Organic volatile impurities Solvent-Use dimethyl sulfoxide Meets the requirement
Chromatographic purity The peak response due to menthol is not less than 98% ≥99.3%
As content ≤3ppm <3ppm
Heavy metals ≤10ppm <10ppm
Residue on ignition ≤0.1% 0.03%
Related substances Examine by gas chromatography Conforms
Conclusion The results conforms with BP2012/USP31 standards

 

 

Application

High quality L-Menthol crystal is used in analgesic balms and also in foods and oral hygiene products for its fresh cooling sensation. Menthol enhances cooling by interacting with the cold-sensitive thermoTRP channel TRPM8, but its effect on pain is less well understood. 

 

 

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