L-Arginine
2-Amino-5-Guanidinopentanoic Acid, L-Arg
- CAS
- 74-79-3
- EC
- 200-811-1
- Sectors
- Nutraceuticals & Supplements, Pharma & Healthcare
L-Arginine (CAS 74-79-3) is a semi-essential amino acid with nitric oxide–producing properties, supplied as a white crystalline powder that is soluble in water, and used in dietary supplements, cardiovascular support products, sports nutrition, and pharmaceutical applications such as wound healing and hormone regulation.
Typical Properties
| Molecular formula | C6H14N4O2 |
|---|---|
| Molecular weight | 174.2 g/mol |
| Appearance | White crystalline powder |
| Form | powder |
| Color | white |
| Odor | Faint |
| Melting point | 244 °C |
| Boiling point | 367.6 °C @ Press: 760 Torr |
| Density | 1.325 g/cm³ (solid) |
| Water solubility | 148.7 g/L (20 °C) |
| pH | 10.5-12.0 (25°C, 0.5M in H2O) |
| GHS signal word | Warning · Irritant / harmful |
| HS code | 29252000 |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
L-Arginine
Applications
Used in dietary supplements, cardiovascular support products, and sports nutrition. In pharmaceuticals, it aids wound healing and hormone regulation.
Safety & Risks
Non-toxic and safe; store dry to prevent caking.
Packaging
Supplied in 25 kg PE-lined paper bags or fiber drums. Store cool, dry, and sealed.