Benzalkonium chloride

Benzalkonium chloride, also known as jieermiao, and benzalkonium bromide are widely used in clinical use as cationic surfactants. They are dissociated into cationic active groups in aqueous solution. They are clean and bactericidal, have strong and rapid bactericidal power, have low toxicity, have little irritation to skin and mucous membrane, can change the permeability of bacterial plasma membrane, make the cytoplasmic substances of bacteria permeate, and hinder their chemical books Metabolically, it can kill Gram-positive bacteria, but not Pseudomonas aeruginosa, acid resistant bacteria, viruses and bacterial spores. It can combine with protein rapidly, and reduce the effect significantly in the presence of blood, cotton, cellulose and organic matter. It is mainly used for disinfection of skin, wound, mucous membrane and surgical instruments, and also used as bacteriostatic in liquid preparations.