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% |
| Total plate count | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g |
| Moulds & Yeasts | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g |
| Pathogenic Bacterium | Cronobacter spp /Enterobacteriaceae /Salmonella /Bacillus cereus /Sulphite-reducing clostridia(SRC) （Can be tested upon request） | |||
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