
| Item | Specifications |
| Appearance | White or almost white crystalline powder. |
| Purity | 99%min |
| Melting point | 189-192ºC |
| Specific rotation | -0.6º(per USP 25ºC) |
| Boiling point | 429.8ºC at 760mmHg |
| Flash point | 213.7ºC |
| Solubility | H2O: soluble2.5g/mL (stable for several days at 4ºC.) |
| Stability | Stable under normal temperature and pressure, colorless crystal or white crystal powder. The melting point is 190-194ºC. Its 1 g crystal can be dissolved in 0.4 ml of water, 2.5 ml of boiling alcohol, 5 ml of alcohol, 2.5 ml of glycerin. Odorless, weathering, easy to deteriorate in case of light. Very bitter taste. Very poisonous. |
| Storage condition | 2-8ºC |
| Shelf life | 2 years |