L-Menthol Crystal Cas 2216-51-5
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Description
L-Menthol Quick Details
Product Name: Menthol Crystals
Synonyms: L-p-Menthan-3-ol; (1R,2S,5R)-(-)-Menthol; (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol
CAS No: 2216-51-5
Molecular Formula: C10H20O
Molecular Weight: 156.27
Property: Colorless needle crystal with a cool minty aroma.
L-Menthol Typical Properties
| Item | Specifications | |
| USP37 | BP2015 | |
| Identification | Colorless, transparent hexagonal or needlelike crystals. | |
| Melting point | 41~44℃ | About43℃ |
| Solubility | 1g soluble in 5ml of 90%(v/v)alcohol, forming a clear solution | |
| Specific rotation | -45°~-51° | About-50° |
| Limit of nonvolatile residue | Not overrun 0.05 under condition of 105℃ | |
| Organic volatile impurities | Solvent-Use dimethyl sulfoxide | |
| Chromatographic purity | The peak response due to menthol is not less than 97% | |
| As content | ≤3ppm | |
| Heavy metals | ≤10ppm | |
| Residue on ignition | ≤0.1% | |
| Related substances | Examine by gas chromatography | |
L-Menthol Usage
Menthol is a flavoring that is allowed to be used in China. It is mainly used for the flavoring of toothpaste, candy and beverages.
L-Menthol Package
Sealed closed fiber drum, net weight 25kg per drum, or customized.
L-Menthol Storage
Cool, dry place.