Item | Specifications |
Appearance | White or off-white powder |
Specific optical rotation | +20.5o ~ +21.5o |
Assay | ≥98.0%~ 102.0% |
Purity | ≥99% |
Related substances | ≤ 0.3% |
Loss on drying | ≤0.5% |
Melting point | 120.0℃~123.0℃ |