Usage of menthol crystal:
Menthol can be used for making cool oils, toothpaste, tooth powder, candy, beverages, spices, and other uses.
Both menthol and racemic menthol are used as flavoring agents for toothpaste, perfumes, beverages, and candies.
COA of menthol crystal:
Article | Menthol Crystal | ||
Batch number | 20210305 | Packing | 25Kgs Net Fibre Drums |
Quantity(Drums) | 8 | Weight(kgs) | 200 |
Report date | MAR.05,2021 | Testing Standards | BP2015/USP39 |
Manufacturing Date | MAR.05,2021 | Expiry Date | MAR.04,2023 |
Items | Standards | Analytical Results | |
USP39 | BP2015 | ||
Identification | Colourless, transparent hexagonal or needlelike crystals. |
Complies with standard | |
Melting point(℃ ) | 41~44℃ | About 43℃ | 41.5-42.5℃ |
Solubility | 1g soluble in 5ml of 90%(v/v) alcohol,forming a clear solution |
Complies with standard | |
Specific rotation (25℃ ) |
-45°~-51° | About -50° | -49.68° |
Limit of Nonvolatile residue (%) |
Not overrun 0.05 under condition of 105℃ | 0.01 | |
Organic volatile impurities |
Solvent-Use dimethyl sulfoxide | Meets the requirement | |
Chromatographic purity |
The peak response due to menthol is not less than 97% |
≥99.6 | |
As Content | ≤3ppm | <3ppm | |
Heavy metals | ≤10ppm | <10ppm | |
Residue on ignition | ≤0.1% | 0.03% | |
Related substances | Examine by gas chromatography | Meets the requirement | |
Conclusion | Analytical results conforming to standard BP2015/USP39 |