Polyvinylpyrrolidone, M.W. 44000 - 54000 (av) Ph. Eur. (K30)
Supplier: VWR Chemicals
26617.360EA
2190
EUR
26617.360
26617.291
Polyvinylpyrrolidone, M.W. 44000 - 54000 (av) Ph. Eur. (K30)
Polyvinylpyrrolidone
Formula:
(C₆H₉NO)n |
MDL Number:
MFCD01076626 CAS Number: 9003-39-8 |
Specification Test Results
Assay (N) (calculated on anhydrous) | 11.5 - 12.8 % |
Appearance | Conforms (see CoA/CoS) |
Identification A | Passes test |
Identification E | Passes test |
Solution S1 | Passes test |
Appearance of solution | Passes test |
pH (5 %) | 3.0 - 5.0 |
Viscosity (expressed as K-value) | 27.0 - 32.4 |
Aldehydes (as C2H4O) | Max. 500 ppm |
Peroxides (as H2O2) | Max. 400 ppm |
Formic acid | Max. 0.5 % |
Hydrazine | Max. 1 ppm |
Impurity A | Max. 10 ppm |
Impurity B | Max. 3.0 % |
Heavy metals (as Pb) | Max. 10 ppm |
Water | Max. 5.0 % |
Sulphated ash | Max. 0.1 % |
Residual solvents | Passes test |
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