Molecular Structure:
| Product name | L-Arginine L-malate |
| Item | Specification |
| Appearance | White to light yellowish crystalline powder |
| Assay | 99.0% Min |
| Specific rotation | +20.0º---- +22.0º |
| pH | 6.5 – 8.5(2.5%) |
| Loss on drying | 1.0% Max. |
| Chloride | 0.05% Max |
| Iron | 10ppm Max |
| Residue on ignition | 0.1% Max. |
| Heavy metals | 10ppm Max. |
| Arsenic | 1ppm Max |