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Specifications
| 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 | |
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.
Storage
It should be sealed and shaded to be stored in a dry, cool, well ventilated place.
Specifications
| 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 | |
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.
Storage
It should be sealed and shaded to be stored in a dry, cool, well ventilated place.
