| Appearance: | Colorless or light yellow clear liquid |
| Odour: | Strong peppermint aroma and cool bitter |
| Relative density: | 0.888~0.908 |
| Refractive index: | 1.4560~1.4660 |
| Optical rotation: | -24°c~-17°c |
| Acid value: | 1.0% |
| Ester value: | 5.6%~18.4% |
| Solubility: | easy soluble in 70% ethanol |
| Contain menthol: | ≥50% / ≥70% / ≥80% |
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