Antibacterial Composition

An antibacterial composition comprising a compound represented by Chemical Formula 1:

• wherein, in Chemical Formula 1,
• L1 and L2 are the same as or different from each other, and are each independently a direct bond;
• a substituted or unsubstituted alkylene group having 1 to 4 carbon atoms;
• or a substituted or unsubstituted arylene group having 6 to 30 carbon atoms, A is hydrogen;
• or a substituted or unsubstituted alkyl group having 1 to 3 carbon atoms,
• n is an integer from 0 to 4,
• two of R1 to R3 are the same as or different from each other, and are each independently a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms, and the other is a substituted or unsubstituted alkyl group having 3 to 20 carbon atoms,
• when n is 2 or higher, two or more A's are the same as or different from each other, and
• X− is a hydroxy-based anion, a carbonate-based anion, a citrate-based anion, a cyanate-based anion, a phosphate-based anion, a benzoate-based anion, a sulfonate-based anion, a borate-based anion a salicylate-based anion, a sulfonamide-based anion, or a sulfonimide-based anion.