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2776785 
Journal Article 
Incompatibility of povidone-iodine with Lavacol 
Chatterji, DC; Hood, JC 
1980 
Yes 
American Journal of Hospital Pharmacy
ISSN: 0002-9289 
IPA/80/392080 
J 
REF 
464-466 
English 
IPA COPYRIGHT: ASHP An incompatibility between Betadine (povidone-iodine) and Lavacol (denatured 70% alcohol) resulting in a loss of free iodine is reported. The ingredients of Lavacol are denatonium benzoate, acetone, methyl isobutyl ketone (isopropylacetone) and ethanol sufficient to make a 70% solution. It was suggested that acetone and methyl isobutyl ketone were responsible for the inactivation of iodine.