Polyvinylpyrrolidon, M.W. ∼ 8.000 (K16-18)
Lieferant: Thermo Scientific
Synonyme:
Polyvidon
, Poly[1-(2-oxo-1-pyrrolidinyl)ethylen]
, PVP
ACRO227460025EA
306
EUR
ACRO227460025
ACRO227465000
Polyvinylpyrrolidon, M.W. ∼ 8.000 (K16-18)
Polyvinylpyrrolidon
Formel:
(C₆H₉NO)n Schmelzpunkt: 130 °C (Zersetzung) Flammpunkt: >215 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD01076626 CAS-Nummer: 9003-39-8 |
Spezifikation Testergebnisse
Appearance | White to yellowish-white Powder or flakes |
Infrared spectrum | Conforms |
Water | ≤5.0 % (K.F.) |
Sulfated ash | ≤0.1 % |
Additional info |
European colour test - B colour: |
Additional info |
European colour test - BY colour: |
Additional info |
European colour test - R colour: |
Additional info | K-value (5% solids w/v aq. soln.): 16 to 18 |
HPLC | ≤10 ppm (1-Vinylpyrrolidin-2-one) |
Appearance of solution | (5 % in water at 25°C) Free of haze |
pH | 3.0 to 5.0 (5 % in water) |
Nitrogen (N) | 11.5 to 12.8 % |
Heavy metals (as Pb) | ≤10 ppm |
Aldehyde (C2H4O) | ≤0.05 % |
Hydrazine (N2H4) | ≤1 ppm |
Peroxides | ≤400 ppm (Titanyl sulphate method) |
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