Molecular Formula: C6H14N2O2•HCL
Molecular Weight: 182.65
CAS No: 657-27-2
L-Lysine Hcl | CP2020 | EP11 | USP2023 | AJI92 |
Assay | ≥ 98.5% | 98.5-101.0% | 98.5-101.5% | 99.0-100.5% |
PH | 5.0-6.0 | / | / | 5.0-6.0 |
Specific rotation[a]D20 | +20.4°-+21.5° | +21.0°-+22.5° | +20.4°-+21.4° | +20.7°-+21.5° |
Specific rotation[a]D25 | / | / | / | / |
Transmittance(T430) | ≥ 98.0% | / | / | ≥98.0% |
Appearance of solution | / | clear & colorless≤B7 or GY7 | / | / |
Chloride(Cl) | 19.0-19.6% | / | 19.0-19.6% | 19.12-19.51% |
Ammonium(NH4) | ≤0.02% | ≤0.02% | / | ≤0.02% |
Sulfate(SO4) | ≤0.02% | ≤0.03% | ≤0.03% | ≤0.02% |
Iron(Fe) | ≤30PPM | ≤30PPM | ≤30PPM | ≤10PPM |
Heavy metals(Pb) | ≤10PPM | / | / | ≤10PPM |
Arsenic | ≤1PPM | / | / | ≤1PPM |
Other amino acids | ≤0.5% | / | Individual impurities: ≤ 0.5% Total impurities: ≤ 2.0% | conform |
Ninhydrin-positive substances | / | Each impurity≤ 0.2 % Total impurities≤ 1.0% | / | / |
Loss on drying | ≤0.40% | ≤0.50% | ≤0.40% | ≤0.40% |
Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.10% |
Endotoxin | < 10 EU/g | < 10 EU/g | < 10 EU/g | / |
Total plate count | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g | ≤ 1000 CFU/g |
Moulds & Yeasts | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g | ≤ 100 CFU/g |