POLYVINYL PYRROLLDONE K90 FOR SYNTHESIS
| Product Code | B-02057 | Grade | FOR SYNTHESIS |
|---|---|---|---|
| Purity | 99.5 % | Brand | Bio-Chem |
| Molecular Formula | (C6H9NO)n | CAS No. | 9003-39-8 |
| Molecular Weight | 0.00 | H.S.Code | 3905.99100 |
| Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | Creamy White |
|---|---|---|---|
| Melting point/ Freezing point [°C] | 13.9 °C | Boiling point [°C] | 90 - 93 °C |
| Relative density, liquid (water=1) | 1.23 - 1.29 |
Packaging
Specification
| Appearance | White to yellowish white hygroscopic powder or flakes |
| K-value | 85.0 – 95.0 |
| pH (5 % solution) | 3.0 – 7.0 |
| Assay (ex N) | 11.5 – 12.8% |
| Aldehydes | Max. 0.05% |
| Formic acid | Max. 0.5% |
| Hydrazine (N2H4) | Max. 0.0001% |
| Lead (Pb) | Max. 0.001% |
| Peroxide (as H2O2) | Max. 0.04% |
| Vinylpyrrolidone | NMT 0.001% |
| 2-Pyrrolidone | NMT 3.0% |
| Residue on ignition | Max. 0.1% |
| Water (H2O) | Max. 5.0% |
Safety Information and Hazard Symbols

Symbol: GHS07
Signal Word: Warning
