| Melting Point | 223°C |
| pH | 11.4 |
| Color | White |
| Infrared Spectrum | Conforms to reference |
| Assay Percent Range | ≥99 % |
| Packaging | Poly Bottle |
| Formula Weight | 174.12 |
| Physical Form | Solid |
| Chemical Name or Material | L-Arginine, Free Base |
| Loss on Drying | 0.3% max. |
| Identification | Pass Test |
| Specific Rotation | '+26.3 to +27.7° (+ or -) |
| Merck Index | 15, 770 |
| 6322 |
Synonym : l-arginine, arginine, l-+-arginine, l-arg, l +-arginine, s-2-amino-5-guanidinopentanoic acid, h-arg-oh, arginina, arginine, l
