Imprimer

L-Phénylalanine 98.5+%

Marques : Thermo Fisher Scientific
Ratings: Ecrire un avis

Total Evaluation: 0
Moyenne des Notes : 0.0 sur 5

130310250 130311000 130315000 130310025
ACRO130310250EA 68.6 EUR
ACRO130310250 ACRO130311000 ACRO130315000 ACRO130310025
L-Phénylalanine 98.5+%
L-Phénylalanine
Formule: C₉H₁₁NO₂
Point d'ébullition: 313 °C (1013 hPa)
Point de fusion: 270…275 °C (déc.)
Densité: 0,754 g/cm³ (20 °C)
Température de stockage: Température ambiante
Numéro MDL: MFCD00064227
Numéro CAS: 63-91-2
EINECS: 200-568-1
Indice Merck: 14,07271

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Résultats des tests de spécification

Appearance White to off-white Crystalline powder or crystals
Infrared spectrum Conforms
Loss on drying ≤0.3 % (105°C, 3 hrs)
Sulfated ash ≤0.1 %
pH 5.4 to 6.0 (1 % in water)
Specific optical rotation -33.0° to -35.2° (20°C, 589 nm) (c=2, water) (on dried substance)
Titration with HClO4 98.50 to 102.00 % (On dried basis)
Lead (Pb) ≤10 ppm
Heavy metals (as Pb) ≤20 ppm


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