| ITEM | STANDARD | 
| Appearance | Slightly Yellow Clear Liquid | 
| Odor | Characteristic Odor Of Menthol Arvensis Peppermint Oil | 
| Optical rotation(20℃) | -28°--16° | 
| Specific Gravity(20/20℃) | 0.888-0.908 | 
| Refractive Index (20℃) | 1.456-1.466 | 
| Solubility(20℃) | 1 Volume Soluble In 3.5 Volumes Of 70% (V/V) Alcohol, Forming A Clear Solution | 
| Total Menthol >= % | 50 | 
| L-Menthol (By GC) % | 28-40 | 
| Acid Value =< % | 1.5 |