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9003-39-8 Polyvinylpyrrolidone Polyvinyl pyrrolidone
Chemical Name: Polyvinylpyrrolidone / PVP K-30
CAS No.: 9003-39-8
Appearance: White or off-white powder
Assay:99%min
Item |
Standard |
Appearance |
White or off-white powder |
K-value |
27~32.4 |
N-vinylpyrrolidone |
≤0.1% |
PH vuale(5% solution) |
3~7 |
Water |
≤5.0% |
Igtion residue |
≤0.1% |
Heavy metal |
<10ppm |
Aldehyde |
≤0.05% |
Nitrogen content |
11.5~12.8% |
Hydrazine |
<1ppm |
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