Povidone iodine CAS 25655-41-8 PVP-I

Povidone iodine is a loose complex formed by the combination of elemental iodine and a polymer carrier, with povidone serving as a carrier and solubilizer. At room temperature, it is a yellow brown to brownish red amorphous powder. Slightly odorous, easily soluble in water or ethanol, acidic in aqueous solution, insoluble in ether, chloroform, acetone, ethane, and carbon tetrachloride. The povidone iodine aqueous solution has the disadvantages of no iodine tincture, light coloring, easy elution, minimal irritation to the mucosa, no need for ethanol deiodination, no corrosive effect, and low toxicity.