L(+)-Lysine monohydrate 99%

Supplier: Thermo Scientific

173730250 173731000 173735000
ACRO173730250EA 66.5 EUR
ACRO173730250 ACRO173731000 ACRO173735000
L(+)-Lysine monohydrate 99%
L(+)-Lysine monohydrate
Formula: H₂N(CH₂)₄CH(NH₂)CO₂H·H₂O
Melting Pt: 212…214 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00151035
CAS Number: 39665-12-8
EINECS: 200-294-2

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Specification Test Results

Appearance White to yellow Crystalline powder or crystals
Infrared spectrum Conforms
Water 9.5 to 11.5 % (K.F.)
Sulfated ash ≤0.1 %
pH 9.0 to 10.5 (2.5% in H2O, 25°C)
Specific optical rotation +22.0° to +27.0° (20°C, 589 nm) (c=8, 6 N HCl) (On dry basis)
Titration with HClO4 98.5 to 101.5 %
Chloride (Cl) ≤300 ppm
Sulfate (SO4) ≤200 ppm
Ammonium (NH4) ≤200 ppm
Iron (Fe) ≤10 ppm
Heavy metals (as Pb) ≤10 ppm
Other amino acids ≤0.5 % (TLC)

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