Natural L Menthol Crystals L Menthol Crystals L ( ) Menthol Crystals CAS 2216 51 5 CAS No.2216 51 5 CAS 2216515
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- Supplier: Dalian Stars Trading Co. Ltd.
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Product Overview
Description
PARAMETER TABLE
CERTIFICATE OF ANALYSIS | ||||||
Product Name | L-Menthol | CAS No. | 2216-51-5 | |||
Standards | |||||
USP31 | BP2012 | ||||
Identification | Colorless, transparent hexagonal or needlelike crystals. | Conform | |||
Melting point | 41~44℃ | About 43℃ | 41.5~42.5℃ | ||
Solubility | 1g soluble in 5ml of 90%(v/v)alcohol, forming a clear solution | Conform | |||
Specific rotation | -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 | Conform | |||
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 | Conform | |||
Conclusion | The results conforms with BP2012/USP31 standards. | ||||
PRODUCT DESCRIPTION
L-Menthol / CAS 2216-51-5
L-menthol / menthol crystal Mainly used in toothpaste, tooth powder, mouth water flavor, the chemical industry. As it has cool and refreshing usage, so important in pharmaceuticalraw materials. And also widely used in food, alcoholic drinks and tobacco industry.
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