Polyvinylpyrrolidone
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
Povidone, Polyvinylpyrrolidon, Polyvidone, PVP
Formule:
(C₆H₉NO)n Point de fusion: 225 °C (dec.) Température de stockage: Ambient |
Numéro MDL:
MFCD01076626 Numéro CAS: 9003-39-8 |
Résultats des tests de spécification
Appearance | White to yellowish-white Hygroscopic powder |
Infrared spectrum | Conforms |
Water | ≤5.0 % (K.F.) |
Sulfated ash | ≤0.1 % |
HPLC | ≤3.0 % (2-Pyrrolidone) |
Appearance of solution | (5 % in water at 25°C) Clear |
Viscosity | 27 to 32 K-value (1 % w/v in water at 25°C) |
pH | 3.0 to 5.0 (5 % in water) |
Nitrogen (N) | 11.5 to 12.8 % (on anhydrous substance) |
Aldehyde (C2H4O) | ≤0.05 % |
Hydrazine (N2H4) | ≤1 ppm |
Peroxides | ≤400 ppm |
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