Polyvinylpyrrolidone, M.W. ∼ 3500 (K12)
Marques : Thermo ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Formule:
(C₆H₉NO)n Température de stockage: Température ambiante |
Numéro MDL:
MFCD01076626 Numéro CAS: 9003-39-8 |
Résultats des tests de spécification
Appearance | White to yellowish-white Powder or flakes |
Infrared spectrum | Conforms |
Water | ≤5.0 % (K.F.) |
Sulfated ash | ≤0.1 % |
Additional info | K-value: 10.2 to 13.8 |
Additional info |
European color test - B color: |
Additional info |
European color test - BY color: |
Additional info |
European color test - R color: |
HPLC | ≤10 ppm 1-Vinylpyrrolidin-2-one |
HPLC | ≤3.0 % 2-Pyrrolidone |
Identification | Passes test |
pH | 3.0 to 5.0 (5 % in water) |
Nitrogen (N) | 11.5 to 12.8 % (on anhydrous substance) |
Heavy metals (as Pb) | ≤10 ppm |
Aldehyde | ≤0.05 % |
Hydrazine (N2H4) | ≤1 ppm |
Peroxides | ≤400 ppm (Titanyl sulphate method) |
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