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benzalkonium chloride

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benzalkonium chloride /ben·zal·ko·ni·um chlo·ride/ (ben?zal-ko´ne-um) a quaternary ammonium compound used as a surface disinfectant and detergent, topical antiseptic, and antimicrobial preservative.
benz·al·ko·ni·um chloride (bnzl-kn-m)
n.
A powder prepared in an aqueous solution and used as a fungicide, bactericide, and spermicide.

benzalkonium chloride
a quaternary ammonium compound used as a surface disinfectant and detergent and as a topical antiseptic and antimicrobial preservative. See also zephiran.

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Another substance that has been implicated in the development of rhinitis medicamentosa is benzalkonium chloride (BAC), an antimicrobial preservative often found in nasal sprays.
The product contains four different antivirus components ethanol, benzalkonium chloride, polyoxyethylene alkylamine and polyhexamethylene biguanide (PHMB), and can remove not only general bacteria and viruses but also noroviruses that cause a fatal food poisoning.
Second, although not proved efficacious against cutaneous chytridiomycosis, the use of benzalkonium chloride, a recognized therapy for infections with non-hyphal fungi, failed to reduce mortality rates.
 
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