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toxobin;vinisil;vinylpyrrolidinonepolymer; ;vinylpyrrolidonepolymer;PVP K30 USP24;PVP K120; K30 PVP K30;K 30 POVIDONE K 30 BP/USP
It is the cross-linked homopolymer of pure vinylpyrrolidone. It is hygroscopic and free-flowing white or off-white powder. It has a slight foul smell. It is insoluble in common solvents such as water, ethanol and ether. So its molecule weight range can’t be measured. However, PVP has ability to form complex with various kinds of substances (such as “Hu” class substance which can lead to the discoloration of a variety of wines and beverages discoloration). Also it is easily to be removed after filtration because of its insolubility.
Product Name | Polyvinylpyrrolidone |
Melting point | 350 °C (lit.) |
Boiling point | 355.49°C (rough estimate) |
Density | 1.2639 |
Solubility | H2O: 50 mg/mL, clear, slightly yellow |
Pka | 3.07±0.10(Predicted) |
Form | Flake |
Color | White |
Odor | Odor of the solvent |
Mol File | 9003-39-8.mol |
MW | 16.05 |
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