【Appearance】White crystalline powder
【Shelf life】Two years
【CAS No】1119-34-2
【Molecular formula】C6H14N4O2.HCl
【Solubility】Easily soluble in water and formic acid, slightly soluble in ethanol, insoluble in ether.
【Product function】Ntritional supplement
【Storage conditions】This product is stored in a cool, dry and ventilated place to avoid miscellaneous air pollution and away from fire sources.
| L-Arginine Hcl | USA index | AJI92 | Europe index | Firsst Grade |
| Assay | 98.5-101.5% | 99.0-101.0% | 98.5-101.0% | ≥98.5% |
| PH | / | 4.7-6.2 | / | / |
| Specific rotation[a]D20 | +21.4°-+23.6° | +22.1°-+22.9° | +21.0°-+23.5° | +21.5°-+23.5° |
| Specific rotation[a]D25 | / | / | / | / |
| Transmittance(T430) | / | ≥98.0% | clear & colorless ≤BY6 | ≥98.0% |
| Chloride(Cl) | 16.5-17.1% | 16.58-17.00% | / | 16.5-17.1% |
| Ammonium(NH4) | / | ≤0.02% | ≤0.02% | ≤0.02% |
| Sulfate(SO4) | ≤0.03% | ≤0.02% | ≤0.03% | ≤0.02% |
| Iron(Fe) | / | ≤10PPM | ≤10PPM | ≤10PPM |
| Heavy metals(Pb) | ≤20PPM | ≤10PPM | ≤10PPM | ≤10PPM |
| Arsenic | / | ≤1PPM | / | ≤1PPM |
| Other amino acids | individual impurities≤0.5% total impurities≤2.0% | conform | / | ≤0.20% |
| Ninhydrin-positive substances | / | / | conform | / |
| Loss on drying | ≤0.20% | ≤0.20% | ≤0.50% | ≤0.20% |
| Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.10% |
| Organic volatile impurities | / | / | / | / |
| Endotoxin | / | / | / | conform |
| protein | / | / | / | no precipitate |