1.12233

L-Lysine monohydrate

for biochemistry

• Synonyma: L-Lysine monohydrate, Lys
• Lineární vzorec: NH₂(CH₂)₄CH(NH₂)COOH
• Číslo CAS: 39665-12-8
• Molekulová hmotnost: 146.19 (anhydrous basis)
• MDL number: MFCD00151035
• UNSPSC Code: 12352209
• EC Index Number: 200-294-2
• NACRES: NA.21

Vlastnosti

• Quality Level: 100
• form: solid
• pH: 9-10.5 (20 °C, 80 g/L in H₂O)
• mp: 207-209 °C (decomposes)
• solubility: >1500 g/L
• bulk density: 366 kg/m³
• storage temp.: 2-8°C
• InChI: 1S/C6H14N2O2.H2O/c7-4-2-1-3-5(8)6(9)10;/h5H,1-4,7-8H2,(H,9,10);1H2/t5-;/m0./s1
• InChI key: HZRUTVAFDWTKGD-JEDNCBNOSA-N

Popis

Analysis Note

Assay (Perchloric acid titration, calc. on anhydrous substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white, crystalline powder or colorless crystals with characteristic odor
Appearance of solution (100 g/l, water): clear and colorless
Spec. rotation(α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +25.5 to +26.5
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %
Water (according to Karl Fischer): 10.0 - 12.0 %

Bezpečnostní informace

• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable