L-Threonine：
| General Information |
| Products name:L-Arginine HCl |
| CAS NO :15595-35-4；119-34-2 |
| EINECS NO:214-275-1 |
| Molecular formula: C6H14N4O2 |
| Molecular weight: 210.77 |
| Appearance:White crystalline powder, odorless, bitter taste. |
| Solubility:easy to dissolve in water, aqueous solution was acidic reaction, in ethanol extremely slightly soluble, insoluble in ether. |
| USES:Pharmaceutical raw materials and food additives. |
| Standard:AJI92 |
| BASIC ANALYSIS | ||
| Item of Analysis | Specification | Results |
| Assay | 98.5%-101.5% | Conforms |
| Organoleptic | ||
| Appearance | white or almost white crystalline powder or colorless crystals | Conforms |
| Odor | Characteristic | Conforms |
| Taste | Characteristic | Conforms |
| Physical Characteristics | ||
| Identification | as per USP33 | Conforms |
| Specific rotation | +21.4° to +23.6° | Conforms |
| Loss on drying | ≤0.20% | ≤0.20% |
| Chromatographic purity | as per USP33 | Conforms |
| Organicvolatile impurities | as per USP33 | Conforms |
| Residual solvents | as per USP33 | Conforms |
| Residue on ignition | ≤0.10% | ≤0.10% |
| Heavy metals | ||
| Heavy metals(Pb) | ≤0.002% | Conforms |
| Chloride (Cl) | 16.5% to 17.1% | Conforms |
| Arsenic (As2O3) | ≤1PPM | Conforms |
| Ammonium (NH4) | ≤0.02% | Conforms |
| Sulfate (SO4) | ≤0.030% | Conforms |
| Microbiological Tests | ||
| Total aerobic plate count | ≤1000cfu/g | Conform |
| Yeast & Mold | ≤100cfu/g | Conform |
| E. Coli. | Negative | Conform |
| Salmonella | Negative | Conform |
| Staphylococcus | Negative | Conform |
