| Item | Specifications | Results |
| Appearance | White powder | White powder |
| TLC | ≥95.00% | Conforms |
| Purity (HPLC) | ≥97.00% | 98.23% |
| Lauric acid ≤5% | Not detected | |
| Ethyl laurate ≤3% | Not detected | |
| L-Arginine HCl≤1% | Not detected | |
| Ethyl arginine 2HCl≤1% | Not detected | |
| N-Lauroyl-L-arginine≤3% | 1.45% | |
| Solubility | Freely soluble in water,ethanol,propylene glycol and glycerol | Conforms |
| Melting point | 50-62℃ | 60.9-61.4℃ |
| Water content | ≤5.0% | 4.8% |
| PH | 3.0-5.0(1% aqueous solution) | 4.1 |
| Assay | 95.0%-100.0% | 96.97% |
| Lead | ≤1mg/kg | Conforms |
| Arsenic | ≤3mg/kg | Conforms |
| Cadmium | ≤1mg/kg | Conforms |
| Mercury | ≤1mg/kg | Conforms |
| Conclusion | The results conforms with Enterprise standards | |
25kg/drum