Complaint
| Product name | Polyvinylpyrrolidone (Povidone, PVP) |
| USP and EP Name | Povidone(Povidonum) |
| CAS No. | 9003-39-8 |
| EINECS No. | 1312995-182-4 |
| Structure Formula |
| Item | K15 | K17 | K25 | K30 | K90 |
| K value | 13-17 | 15-19 | 23-27 | 27-33 | 88-98 |
| N-Vinylpyrrolidone | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Moisture % max | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| PH value (5% in water) | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 4.0-7.0 |
| Residue on ignition % max | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| Nitrogen content % | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 |
| Item | K15 | K17 | K25 | K30 | K90 | |
| K value | 13-17 | 15-19 | 23-27 | 27-33 | 88-98 | |
| (CP/USP) | 0.1% max | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 |
| (USP/EP/BP) ppm max | 10 | 10 | 10 | 10 | 10 | |
| Moisture % | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | |
| Solid content % min. | 95 | 95 | 95 | 95 | 95 | |
| PH value (5% in water) | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 4.0-7.0 | |
| Residue on ignition % | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | |
| Nitrogen content % | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | 11.5-12.8 | |
| 2-Pyrrolidone (impurity B)% max | 3.0 | 3.0 | 3.0 | 3.0 | 3.0 | |
| Acetaldehyde (as acetaldehyde) ppm max | 500 | 500 | 500 | 500 | 500 | |
| Heavy metal (as Pb) ppm max | 10 | 10 | 10 | 10 | 10 | |
| Hydrazine ppm max | 1 | 1 | 1 | 1 | 1 | |
| Peroxide (As H2O2) ppm max | 400 | 400 | 400 | 400 | 400 | |
