Molecular structure:
【Description】White crystal or crystalline powder, odorless, and special sour taste,difficult to dissolve in water.
【Function】L-glutamic acid is be used as nutrition supplement, salt-substitution and fresh-taste product. And it is be used to synthesis some chiral compound and medicine intermediate in fine chemical industry.
| Product name | L-Glutamic acid |
| Items | Limit |
| Assay | 98.5%~101.0% |
| Specific Rotation [α]D20 | +31.5°~+32.4° |
| Transmittance | ≥98.0% |
| pH | 3.0~3.5 |
| Loss on Drying | ≤0.20% |
| Residue on Ignition | ≤0.10% |
| Heavy Metals[Pb] | ≤10ppm |
| Iron[Fe] | ≤10ppm |
| Chloride[Cl-] | ≤0.02% |
| Arsenic [As] | ≤1ppm |
| Sulfate[SO42-] | ≤0.02% |
| Ammonium[NH4+] | ≤0.02% |
| Other Amino acids | Conforms |