6-O-Palmitoyl-L-ascorbic acid, Conforme aux spécifications analytiques Ph. Eur., USP
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
Palmitate de L(+)-ascorbyle, Acide palmitoyle-6-L-ascorbique
Formule:
C₂₂H₃₈O₇ Poids moléculaire: 414.54 g/mol Point d'ébullition: 250 °C Point de fusion: 111…115 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00005377 Numéro CAS: 137-66-6 |
Résultats des tests de spécification
Appearance | White to light yellow Powder |
Infrared spectrum | Conforms |
Melting point | 107 to 117 °C |
Titration Iodimetric | 98.0 to 100.5 % (on dry substance) |
Loss on drying | ≤1 % (60 °C, 5 Hrs) (vacuum) |
Heavy metals | ≤10 ppm |
Appearance of solution | Passes test |
Residue after ignition | ≤0.1 % |
Specific optical rotation | +21° to +24° (20 °C, 589 nm) (c=10, methanol) |
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