CAS number： 56-86-0
Molecular formula： C5H9NO4
molecular weight： 147.1291
Chemical structure：
| Product name | L-Glutamic Acid | |
| Shelf Life | 2 Years | |
| Item | Specifications | Test Results |
| Appearance | White crystalline or crystalline Powder acid taste and slightly agreeable | Pass |
| Specific optical rotation | +31.5～+32.5° | +31.93° |
| State of solution (Transmittance) | ≥98.0% | 98.5% |
| pH value | 3.0～3.5 | 3.2 |
| Heavy metals ,% max | 10ppm | 2ppm |
| Chloride ,% max | 0.020% | 0.017% |
| Arsenic(As2o3),% max | 1ppm | 0.5ppm |
| Iron (Fe) max | 10ppm | 5ppm |
| Ammonium max | 0.02% | 0.010% |
| Sulfate(SO4) % max | 0.020% | 0.012% |
| Residue on ignition,% | ≤0.10% | 0.05% |
| Other amino acids | Conforms | Qualified |
| Conclusion: This product conforms to requirements of AJI 92 medical grade standard. | ||
