L-Arginine
USP + LEC + Microbiological requirements
CAS #:
74-79-3
Molecular Formula:
C6H14N4O2
Synonym:
L-2-Amino-5-guanidinovaleric Acid
Molecular Weight:
174.2 g/mol
Overview
L-Arginine, abbreviated as Arg, plays an important role in cell division, the healing of wounds, removing ammonia from the body, immune function, and the release of hormones.
| Characters | Unit | Specification |
|---|---|---|
| Identity (USP) | Correlates to test | |
| Assay (USP) | % | 98.5 - 101.5 |
| Residue on lgnition | % | ≤ 0.3 |
| Heavy Metals | mg/kg | ≤ 15 |
| Chloride | mg/kg | ≤ 500 |
| Sulfate | mg/kg | ≤ 300 |
| Iron | mg/kg | ≤ 30 |
| Individual Impurities (USP) | % | ≤ 0.5 |
| Total Impurities (USP) | % | ≤ 2.0 |
| Residue on lgnition | % | ≤ 0.3 |
| Specific optical rotation (USP) | o | 26.3 - 27.7 |
| Loss on drying (USP) | % | ≤ 0.5 |
| Bacteria Endotoxins | IU/g | ≤ 5 |
| TAMC | CFU/g | ≤ 50 |
| TYMC | CFU/g | ≤ 10 |
| Escherichia coli | CFU/g | |
| Staphylococcus aureus | CFU/g | |
| Pseudomonas aeruginosa | CFU/g | |
| Salmonella | CFU/10g |
Shelf Life/Retest Date: L-Arginine can be kept for at least 2 years if stored in a cool and dry place under recommended conditions.
Storage/Shipping Conditions:
- Keep container tightly closed in a cool, well-ventilated place.
- Storage temperature recommended: < 25°C
Pack Sizes: 5 Kg
