CAS number： 25249-54-1
Molecular formula： C6H9NO
molecular weight： 111.1418
Chemical structure：
| Product Name | PVPP | |
| SPECIFICATION | PHARMA GRADE | |
| Test Items | Specification | Test Value |
| Loss on Drying % | ≤5.0 | 2.94 |
| Soluble Components % | ≤1.5 | 0.096 |
| Monomers % | ≤0.1 | 0.00257 |
| PH of 1% aqueous solution | 5-8 | 6.16 |
| Aesenic ppm | ≤3 | ＜3 |
| Heavy metals ppm | ≤10 | ＜10 |
| Nitrogen % | 11.0-12.8 | 12.03 |
| Sulfate ash % | ≤0.4 | 0.044 |
| H2O2 ppm | ≤400 | ＜400 |
| Storage Conditions | Keep in dry place,store in tight closed container | |
