Identification
Colourless, transparent hexagonal or needlelike crystals
BP
212°
Melting point(°C)
about 43°C
Density
d 0.890
Specific otation(25°C)
about -50°
Solubility
1g soluble in 5ml of 90%(v/v)Alcohol, forming a clear solution
Limit of Nonvolatile residue(%)
Not overrun 0.05 under condition of 105°C
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
Delivery Detail:
in 20days after order
Medicinal specifications
CP2010,EP2000,USPXXV
Percent Composition:
C 76.86%, H 12.90%, O 10.24%
Toxicity data:
LD50 orally in rats: 3180 mg/kg Package:
Quality Management System Certificate: