Pvpp Filter 25249-54-1,9003-39-8
Product description
Pharmacopoeia Name: Crospovidone
Chemical Name: Crospovinylpyrrolidone, PVPP INCI/CTFA Name: Insoluble PVP
CAS No.: 25249-54-1,9003-39-8
Properties: This product is white or off-white powder; almost odorless; hygroscopic. This product is insoluble in water, ethanol, chloroform or ether. This product has a high capillary/water content, a large specific surface area, a very strong hydration capacity (HK: 5.6), a high and rapid water absorption (58.5%), a strong water absorption and expansion capacity, a swelling coefficient of 2.25-2.30, and has the same complexing ability as polyvinyl pyrrolidone, and can complex a variety of substances, such as phenols, iodine, etc.
parameter
| Appearance | PolyKoVidoneTM-XL(Type A) | PolyKoVidoneTM-10(Type B) |
| color | white or light yellow powder | |
| Water soluble matter %max, | 1 | 1 |
| pH value (1% aqueous solution) | 5.0-8.0 | 5.0-8.0 |
| loss on drying %max, | 5 | 5 |
| sulfate ash %max, | 0.1 | 0.1 |
| nitrogen content%, | 11.0-12.8 | 11.0-12.8 |
| impurity A (residual monolith) ppm max | 10 | 10 |
| peroxide (hydrogen peroxide) ppm m | 400 | 1000 |
| heavy metal ppm max | 10 | 10 |
| particle size (μm), ≥80%, | 50-250 | 5-50 |
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