chemical structure: complex with pvp and iodine physical properties: exists as yellow-brown or red-brown molding powder , having slightly special smell. it can dissolved in water and grain alcohol, not in diethylethe or chororom, it is stable complex with no irritation which can sterilize bacterial, virus, fungus effectively, it is the first-selected iodinecontaining microbicide. application: 1, bactericide, virucide, fungicide for local anticepic insurgical scrubs or for other rapeutical purposes and protect patient from infection 2, microbicide for kitchen utensils in family 3, microbicide for food and feed industry 4, pvp-i was accepted into cp2005/usp29/ep5.o editor