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Polyvinylpyrrolidone/(PVP-K series) Polyvinylpyrrolidone CAS:9003-39-8
Name: Polyvinylpyrrolidone/(PVP-K series)
CAS:9003-39-8
MF: C6H9NO
Items |
Specifications USP26 |
Characteristics |
White or yellowish-white, hydroscopic powder |
Identification A, B, C |
Positive |
K-value |
81.0-97.2 |
Residue on ignition |
0.10%max |
Vinylpyrrolidone |
0.20% max |
Water |
5.0% max |
Heavy metals (as Pb) |
10ppm max |
Hydrazine |
1ppm max |
Nitrogen |
11.5-12.8% |
Aldehydes (as acetaldehyde) |
0.05% max |
pH value (5% water solution) |
3.0-7.0 |
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