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[Purdue Pharma] A registered trademark for a yellowish-brown powder used as a topical disinfectant. Betadine®, first patented in 1955, dissolves in water to form a slightly acidic solution. The microbicide kills fungi and protozoa along with both gram-positive and gram-negative bacteria.

Synonyms and Related Terms

betadine microbicide; tincture of iodine; povidone-iodine; iodine-polyvinylpyrrolidone complex; PVP-1; Disadine; Disphex; Isodine; Proviodine


Physical and Chemical Properties

Soluble in alcohol, and water. Insoluble in chloroform, carbon tectrachloride, ether, heaxane, acetone.

Resources and Citations

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 7595