1.05700

L-Lysine monohydrochloride

for biochemistry

• Synonym(s): L-Lysine monohydrochloride, Lys
• Empirical Formula (Hill Notation): C₆H₁₅ClN₂O₂
• CAS Number: 657-27-2
• Molecular Weight: 182.65
• MDL number: MFCD00064564
• UNSPSC Code: 12352209
• EC Index Number: 211-519-9
• NACRES: NA.21

Properties

• vapor pressure: <1 Pa ( 20 °C)
• Quality Level: 100
• potency: 10000 mg/kg LD₅₀, oral (Rat)
• pH: 5.5-6.0 (20 °C, 100 g/L in H₂O)
• mp: 262 °C
• density: 1.28 g/cm³ at 20 °C
• bulk density: 360 kg/m³
• storage temp.: 2-30°C
• InChI: 1S/C6H14N2O2.ClH/c7-4-2-1-3-5(8)6(9)10;/h5H,1-4,7-8H2,(H,9,10);1H/t5-;/m0./s1
• InChI key: BVHLGVCQOALMSV-JEDNCBNOSA-N

Description

Analysis Note

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 %

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable