Polyvinylpyrrolidone, M.W. K30 (MW ∼ 50.000)
Supplier: Thermo Scientific
227541000
227545000
227540025
ACRO227541000EA
61
EUR
ACRO227541000
ACRO227545000
ACRO227540025
Polyvinylpyrrolidone, M.W. K30 (MW ∼ 50.000)
Polyvinylpyrrolidone
Formula:
(C₆H₉NO)n Melting Pt: 225 °C (dec.) Storage Temperature: Ambient |
MDL Number:
MFCD01076626 CAS Number: 9003-39-8 |
Specification Test Results
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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