Abstract: Disclosed are antimicrobial compounds according to Formula (I): wherein R is H, —OH, —CH2CH3, —(CH2)2CH3, —(CH2)3CH3, or —(CH2)2OCH3; and X is a negative counterion that is bromide, chloride, fluoride, or a phosphate. The disclosed compounds may be used to form compositions and articles that resist microbial contamination.