L-Histidine Hydrochloride | 5934-29-2
Product Specification:
| Item | Specification (AJI97) |
| Assay, % | 98.5~101.0 |
| Specific optical rotation | -8.0°~ +9.5° |
| Transmittance | ≥98.0 |
| pH value | 3.5~4.5 |
| Loss on drying, % | ≤0.2 |
| Heavy metals, % | ≤0.001 |
| Residue on ignition, % | ≤0.1 |
| Chloride,% | 15.6~17.1 |
| Sulfate,% | ≤0.02 |
| Arsenic, % | ≤0.0001 |
| Iron, % | ≤0.001 |
| Ammonium (as NH+4), % | ≤0.02 |
| Other amino acids | Qualified |
| Pyrogen | Nonpyrogen |
