L-Arginine
| Chemical Name： |
L-2-Amino-5-guanidinopentanoic acid~H-Arg-OH |
|
Molecular Formula： |
C6H14N4O2 |
|
Molecular Weight： |
174.20 |
|
Cas No： |
[74-79-3] |
|
Characteristics： |
White crystalline powder |
|
Quality Standards： |
AJI97 |
L-arginine hydrochloride colorless or white crystal, odorless. Used in biochemical research, reduce blood ammonia, treat liver coma drug, can also be used in amino acid drugs, is an important component of amino acid infusion and comprehensive amino acid preparation, can be used as a nutrient supplement.
Product Specifications
| L-Arginine | USP38 | AJI92 | EP8 | CP2015 ( Injection Grade ) |
| Assay | 98.5-101.5% | 99.0-101.0% | 98.5-101.0% | ≥99.0% |
| PH | / | 10.5-12.0 | / | 10.5-12.0 |
| Specific rotation[a]D20 | / | +26.9°-+27.9° | +25.5°-+28.5° | +26.9°-+27.9° |
| Specific rotation[a]D25 | +26.3°-+27.7° | / | / | / |
| Transmittance(T430) | / | ≥98.0% | clear & colorless ≤BY6 | ≥98.0% |
| Chloride(Cl) | ≤0.05% | ≤0.02% | ≤0.02% | ≤0.02% |
| Ammonium(NH4) | ≤0.03% | ≤0.02% | ≤0.02% | ≤0.02% |
| Sulfate(SO4) | / | ≤0.02% | ≤0.03% | ≤0.02% |
| Iron(Fe) | ≤30PPM | ≤10PPM | ≤10PPM | ≤10PPM |
| Heavy metals(Pb) | ≤15PPM | ≤10PPM | ≤10PPM | ≤10PPM |
| Arsenic | / | ≤1PPM | / | ≤1PPM |
| Other amino acids | individual impurities≤0.5% total impurities≤2.0% | conform | / | ≤0.4% |
| Ninhydrin-positive substances | / | / | conform | / |
| Loss on drying | ≤0.50% | ≤0.50% | ≤0.50% | ≤0.50% |
| Residue on ignition | ≤0.30% | ≤0.10% | ≤0.10% | ≤0.10% |
| Organic volatile impurities | / | / | / | / |
| Endotoxin | / | / | / | <10EU/g |
| protein | / | / | / | no precipitate |
