Hóa chất L-Lysine monohydrate cho hóa sinh Merck 1122331000 (C₆H₁₄N₂O₂ * H₂O, Chai nhựa 1 kg) DEEP52 https://yeuhangduc.vn/

CAS number: 39665-12-8

EC number: 200-294-2

Hill Formula: C₆H₁₄N₂O₂ * H₂O

Chemical formula: NH₂(CH₂)₄CH(NH₂)COOH

Molar Mass: 164.2 g/mol

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 %