L-Lysine Monohydrochloride 100G
L-Lysine monohydrochloride for biochemistry. CAS 657-27-2, pH 5.5 - 6.0 (100 g/l, H₂O, 20 °C).
Manufacturer: Merck
Catalog ID: 105700.0100
Stock: In Stock
Description
| Catalogue Number | 105700 |
| Synonyms | Lys |
Product Information
| CAS number | 657-27-2 |
| EC number | 211-519-9 |
| Hill Formula | C₆H₁₅ClN₂O₂ |
| Molar Mass | 182.64 g/mol |
| HS Code | 2922 41 00 |
Applications
| Application | L-Lysine monohydrochloride for biochemistry. CAS 657-27-2, pH 5.5 - 6.0 (100 g/l, H₂O, 20 °C). |
Physicochemical Information
| Density | 1.28 g/cm3 (20 °C) |
| Melting Point | 262 °C |
| pH value | 5.5 - 6.0 (100 g/l, H₂O, 20 °C) |
| Vapor pressure | <1 Pa (20 °C) |
| Bulk density | 360 kg/m3 |
| Solubility | 420 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 10000 mg/kg |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (perchloric acid titration, calculated on dried substance) | ≥ 99.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white, fine powder |
| Appearance of solution (1 mol/l, water) | clear and colorless |
| Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) | +20.3 to +21.3 |
| UV-Absorption (260 nm; 1 mol/l; 1 cm; water) | ≤ 0.20 |
| UV-Absorption (280 nm; 1 mol/l; 1 cm; water) | ≤ 0.25 |
| Sulfate (SO₄) | ≤ 0.01 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| As (Arsenic) | ≤ 0.0005 % |
| Ca (Calcium) | ≤ 0.001 % |
| Co (Cobalt) | ≤ 0.0005 % |
| Fe (Iron) | ≤ 0.0005 % |
| K (Potassium) | ≤ 0.005 % |
| Mg (Magnesium) | ≤ 0.0005 % |
| Na (Sodium) | ≤ 0.005 % |
| NH₄ (Ammonium) | ≤ 0.01 % |
| Zn (Zinc) | ≤ 0.0005 % |
| Foreign amino acids | ≤ 0.3 % |
| Other ninhydrine positive substances | ≤ 0.1 % |
| Loss on drying (105 °C; 3 h) | ≤ 0.4 % |
