| Product Name | L-Arginine |
| Appearance | white crystal powder |
| CAS | 74-79-3 |
| MF | C6H15N4O2 |
| Type | Amino Acids |
| Purity | 99%min |
| Test Items | Limit | Result |
| Appearance | White or almost white crystalline powder or colorless crystals | Conform |
| Identification | as per USP29 | Conform |
| Specific rotation | +26.3°to +27.7° | +27.5° |
| Loss on drying | not more than 0.5% | 0.11% |
| Residue on ignition | not more than 0.3% | 0.04% |
| Chloride | not more than 0.05% | <0.05% |
| Sulfate | not more than 0.03% | <0.03% |
| Iron | not more than 0.003% | <0.003% |
| Heavy metals | not more than 0.0015% | <0.0015% |
| Chromatographic purity | as per USP29 | Conform |
| Organic volatile impurities | as per USP29 | Conform |
| Assay | 98. 5% to 101. 5% | 99.76% |
| Conclusion: The products conform to USP29 standard. | ||
| Storage:Preserve in well-closed containers and protected from light | ||