Storage
items of inspection |
Standard |
Result of Inspection |
Character |
Colorless needle-like crystal or white crystallinei powder |
qualified |
Melting Point |
42°C~44°C. |
42°C |
Optical Rotation |
-49°~-50° |
-50° |
Heavy Metal |
<10PPm |
7.8PPm |
Identification
|
(1) Assume positive reaction |
Assume positive reaction |
(2) Assume positive reaction |
Assume positive reaction |
|
Solubility |
Easily dissloved in ethanol, trichloromethane and aether. Slightly dissolved in water |
qualified |
Nonvolatile Matter |
≤0.05% |
0.04% |
Content |
Menthol≥99% |
99.58% |