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L-Arginine

Product Name: L-Arginine
Molecular Formula: C6H14N4O2 
Molecular Weight: 174.20 
CAS No: 74-79-3

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


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