Polyvinylpyrrolidone (PVP-K25)
1. USP/BP/EP
2. White powder and odorless
3. Prompt delivery time and excellent price
Product Introduction
PVP-K25 exists as white or yellowish powder and aquous solution. It can dissolve in water and a variety
of organic solvents. It has good hygroscopicity, filmforming capability, complexing ability and physiology
compatibility.
Specification(CP/BP/USP/EP)
PVP K25
TEST ITEMS | SPECIFICATIONS | TEST VALUE |
Appearance | White powder | Conforms |
Identification | conforms | Conforms |
K Value | 15-19 | 17.26 |
Monomer ppm | ≤ 10 | < 10 |
Moisture % | ≤ 5.0 | 3.1 |
Sulfate ash % | ≤ 0.1 | 0.051 |
PH value | 3-7 | 3.55 |
Nitrogen % | 11.5-12.8 | 11.96 |
Aldehyde % | ≤ 0.05 | < 0.05 |
Heavy metal (as lead) ppm | ≤ 10 | < 10 |
Hydrazine ppm | ≤ 1.0 | < 1.0 |
Packing and Storage
Solid is packed in 25 kg/fiber drum
Factory
Q & C
Payment & Delivery:
Service
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please feel free to contact us.
Ms Grace will be at your service always!
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