benzalkonium chloride: meaning, definition, pronunciation and examples

No. Bleach is typically sodium hypochlorite, a strong oxidizing agent. Benzalkonium chloride is a quaternary ammonium compound with a different chemical structure and mechanism of action.

At low concentrations as used in consumer products, it is generally recognized as safe and effective by regulatory bodies. However, it can cause skin or eye irritation in sensitive individuals, and it is toxic if ingested in concentrated form.

It is used at very low concentrations (often 0.01% or less) as a preservative to prevent contamination in multi-dose bottles. The benefit of preventing serious eye infections outweighs the risk of minor irritation for most users. Preservative-free alternatives exist for highly sensitive individuals.

Public health agencies like the US EPA state that certain concentrations of benzalkonium chloride are effective against SARS-CoV-2 on hard, non-porous surfaces when used according to the manufacturer's directions, though alcohol-based sanitizers are often preferred for hands.

A type of quaternary ammonium compound used as a cationic surfactant and disinfectant.

Benzalkonium chloride is usually technical/scientific, professional medical in register.

Benzalkonium chloride: in British English it is pronounced /ˌbenzælˌkəʊnɪəm ˈklɔːraɪd/, and in American English it is pronounced /ˌbenzælˌkoʊniəm ˈklɔːraɪd/. Tap the audio buttons above to hear it.