Polyvinylpyrrolidone (PVP K30 K15 K17 K25 K90) CAS:9003-39-8
1. USP/BP/EP
2. White powder and odorless
3. Prompt delivery time and excellent price
Product Introduction
POLYVINYLPYRROLIDONE 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.
Packing and Storage
Packed in 25 kg/fiber drum. Store airtight in a cool dry place.
1. USP/BP/EP
2. White powder and odorless
3. Prompt delivery time and excellent price
Product Introduction
POLYVINYLPYRROLIDONE 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.
Specifications:
Product | Povidone K15 | Povidone K17 | Povidone K25 | Povidone K30 | Povidone K60 | Povidone K90 | |
Appearance | White or yellowish-white,hygroscopic powder or flakes | ||||||
Solubility | Freely soluble in water,in ethano(96%) and in methanol,very slightly soluble in acetone. | ||||||
Appearance of Solution | Clearly and not moren intensely coloured than reference solution B6,BY6 or R6 | ||||||
Identifications | Meet ID Tests | ||||||
pH Value(5% in aqueous solution) | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 3.0-5.0 | 4.0-7.0 | 4.0-7.0 | |
Viscosity(Expressed as K Value) | 12.75-17.25 | 15.3-18.36 | 22.5-27.0 | 27.0-32.4 | 54.0-64.8 | 81.0-97.2 | |
Adehydes(Expressed as Acetaldehyde) | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | 500 ppm max. | |
Peroxides(Expressed as H2O2) | 400ppm max. | 400 ppm max | 400 ppm max | 400 ppm max | 400 ppm max | 400 ppm max | |
Formic Acid | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | 0.5% max. | |
Hydrazine | 1ppm max. | 1ppm max. | 1ppm max. | 1ppm max. | 1ppm max. | 1ppm max. | |
N-Vinylpyrrolidone(Impurity A) | USP27 | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. | 1000 ppm max. |
Current USP/EP/BP | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | |
2-Pyrrolidone(Impurity B) | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | 3.0% max. | |
Heavy Metals(as Pb) | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | 10 ppm max. | |
Water | 5.0% max. | 5.0% max. | 5.0% max. | 5.0% max. | 5.0% max. | 5.0% max. | |
Sulphated Ash | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | 0.1% max. | |
Nitrogen Content | 11.5-12.8% | 11.5-12.8% | 11.5-12.8% | 11.5-12.8% | 11.5-12.8% | 11.5-12.8% | |
Packing and Storage
Packed in 25 kg/fiber drum. Store airtight in a cool dry place.