| ≥1 piece |
White or off-white crystalline powder
| Item | Limit |
| Assay | 98.5%~ 101.0% |
| Specific Rotation [α] D 20 | -24.8° ~-25.8° |
| pH | 2.5~3.5 |
| Transmittance | ≥98.0% |
| Loss on Drying | ≤0.20% |
| Residue on Ignition | ≤0.10% |
| Chloride[Cl - ] | ≤0.02% |
| Heavy Metals[Pb] | ≤10ppm |
| Iron[Fe] | ≤10ppm |
| Arsenic [As] | ≤1ppm |
| Sulfate[SO 4 2- ] | ≤0.02% |
| Ammonium[NH 4 + ] | ≤0.02% |
d-aspartic acid is be used as medicine intermediate or API
| CAS No.: 1783-96-6 | MF: C4H7NO4 | Place of Origin: Anhui China (Mainland) |
| Type: Enzyme Preparations, Nutrition Enhancers,... |