| ITEMS | Specifications |
| Appearance | White crystalline powder |
| Melting point | 170 - 176 ℃ |
| Specific rotation | +18.0 o --- + 20.0 o |
| Identification | Complies with the test |
| Clarity and color of solution | Clear and colorless |
| Assay(C6H8O6) | 98.5 - 102.0% |
| Loss on drying | 0.5% max |
| Heavy metals | 10 ppm max |
| Residue on ignition | 0.1% max |