Item | USP(23ndedition) | BP-93 | JP(13thedition) |
appearance | White powder crystal | White powder crystal | White powder crystal |
water content | clear and transparent | clear and transparent | clear and transparent |
melting point | 174-179 | 174-180 | 175-180 |
content(%) | ≥ 96 | ≥ 96 | ≥ 96 |
| ≤0.05 | ≤0.05 | ≤0.05 |
halogen(%) | ≤0.035 | ≤0.01 | ≤0.01 |
Specific rotation | / | -1.5-+1.5 | -1.5-+1.5 |