CAS No.:657-27-2
L-Lysine HCl
L-lysine hydrochloride
Molecular Formula： C6H14N2O2•HCL
Molecular Weight: 182.65
CAS Number: 657-27-2
Specifications
| L-lysine hydrochloride | CP2020 | EP11 | USP2023 |
| content | ≥ 98.5% | 98.5-101.0% | 98.5-101.5% |
| acidity | 5.0-6.0 | / | / |
| Specific rotation [a]D20 | +20.4°-+21.5° | +21.0°-+22.5° | +20.4°-+21.4° |
| Specific rotation [a]D25 | / | / | / |
| Light | ≥ 98.0% | / | / |
| Solution appearance | / | clear & colorless≤B7 or GY7 | / |
| chloride | 19.0-19.6% | / | 19.0-19.6% |
| Ammonium salt | ≤0.02% | ≤0.02% | / |
| sulfate | ≤0.02% | ≤0.03% | ≤0.03% |
| Iron salts | ≤30PPM | ≤30PPM | ≤30PPM |
| heavy metal | ≤10PPM | / | / |
| Arsenic salts | ≤1PPM | / | / |
| Other amino acids | ≤0.5% | / | Individual impurities: ≤ 0.5% Total impurities: ≤ 2.0% |
| Ninhydrin active substance | / | Each impurity≤ 0.2 % Total impurities≤ 1.0% | / |
| Loss on drying | ≤0.40% | ≤0.50% | ≤0.40% |
| Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% |
| endotoxin | ＜ 10 EU/g | ＜ 10 EU/g | ＜ 10 EU/g |
| Total bacteria | ≤ 500 CFU/g | ≤ 500 CFU/g | ≤ 500 CFU/g |
| Mold & yeast | ≤ 50 CFU/g | ≤ 50 CFU/g | ≤ 50 CFU/g |