<unk>  (systematic name dimethyldodecylbenzylammonium<unk>  is a quaternary ammonium compound used as antiseptic and disinfectant (phenol coefficient is 20-30). It is well soluble in water and has properties of cationic surfactant.<unk>  is effective against gram-positive microbes. In lower concentrations, its activity against conditionally gram-negative microorganisms (such as Proteus, Pseudomonas, Clostridium tetani etc.) is uncertain. It is not effective against Mycobacterium tuberculosis and bacterial spores. Longer expositions may inactivate some viruses.<unk>  is an active ingredient in the trademarked antiseptic product Ajatin produced in the Czech republic. In place of<unk> , the<unk>  cation may be used with chloride or another anion.
Benzododecinium bromide
Dimethylcarbate
Diethylcathinone
Morniflumate
Tibezonium iodide
Mercuric iodide
Pirimiphos-methyl
Lithium peroxide