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Unilong Group have operated in good faith the principle of positive, open up, after years of hard work, our brand ULi-Eco already received the honorary title in biodegrade material field. Our products have unique advantages in the market and enable to meet the individual needs of our partners. We already achieved product-related certificates including ISO9001, BPI DIN NTSQP, etc. There is a saying in the market “Uli-ECO, you’ll like it”.

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Povidone iodine PVP-I CAS 25655-41-8

Molecular formula
EINECS number
Molecular weight
Warranty period
2 years
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PVP-I is complex of polyvinylpyrrolidone and iodinea. It is kind of brown-yellow or brown-red powder, with a light special smell, soluble in water and ethanol, insoluble in diethyl ether and chloroform.

Unilong is theprofessional manufacturer of PVP-I in China. We can supply high quality PVP-I, and our product is qualified for USP/EP/BP standard. We have engaged in PVP-I for many years and our product is the worldwide choice for iodine-containing fungicides and hygiene and epidemic prevention disinfectants.





Appearance Brown-yellow or brown-red molding powder
Loss on drying % ≤8.0
Nitrogen % 9.5-11.5
Heavy Metals ppm ≤20
Available Iodine % 9-12
Residue on burning % ≤0.1
Iodine Ion % ≤6
PH(10% in water) 1.5-5


  • Skin disinfection and instrument disinfection, sterilization and sterilization in hospitals such as surgeries and injections.
  • Sterilization and disinfection of household tableware and utensils.
  • Sterilization and disinfection in the food industry and breeding industry.
  • Animal disease prevention and disinfection, etc.

Features and Benefits

PVP-I has a light special smell. It has good stability, non-irritation, and has a strong killing effect on viruses, molds and spores. It is an iodine-containing agent and the preferred iodine-containing fungicide


25kgs/drum, 9tons/20’container
25kgs/bag, 20tons/20’container



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Unilong®️ Group specializes in the research, development, production and operation of biological materials and green solvents. It is a high-tech enterprise integrating the research, development and production of new environmentally friendly and degradable materials.

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