DL-Metionina 99+%

Proveedor: Thermo Scientific

Sinónimos: (±)-Metionina, H-DL-Met-OH

125650025 125651000 125652500 125650010
ACRO125650025EA 30.7 EUR
ACRO125650025 ACRO125651000 ACRO125652500 ACRO125650010
DL-Metionina 99+%
DL-Metionina
Formula: C₅H₁₁NO₂S
MW: 149,21 g/mol
Pto. de fusión: 270…273 °C (desc.)
Densidad: 1,34 g/cm³
Temperatura de almacenaje: Nevera
Número MDL: MFCD00063096
Núm. CAS: 59-51-8
EINECS: 200-432-1
Índice Merck: 13,06004

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Resultados test especificaciones

Appearance White Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.5 % (1 g, 105°C)
Sulfated ash ≤0.1 %
UV transmittance ≥95 % (c=10, 2 N HCl, 430 nm) 1 cm cell
pH 5.4 to 6.1 (2 % w/v in water)
Titration with HClO4 99.0 to 101.0 % (on dried substance)
Chloride (Cl) ≤200 ppm
Sulfate (SO4) ≤200 ppm
Ammonium (NH4) ≤1000 ppm
Heavy metals (as Pb) ≤10 ppm
Other amino acids ≤0.2 % (TLC)

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