menthol crystal
Product detail:1. | Appearance: | white crystal |
2. | Odour: | peppermint aroma,cool |
3. | Melting point: | 42°C - 44°C |
4. | Optical rotation: | -49°C— -50°C |
5. | nonvolatile residue: | ≤0.05 |
6. | Solubility: | 1g soluble in 5ml 90% ethanol |
7. | Content: | total menthol>99.9% |