Benzalkonium Chloride Definition

A yellow-white powder prepared in an aqueous solution and used as a detergent, fungicide, bactericide, and spermicide.
American Heritage Medicine

(organic chemistry) A nitrogenous cationic surface-acting agent of the quaternary ammonium group, used as a biocide, as a cationic surfactant and as a phase transfer agent in the chemical industry.


Origin of Benzalkonium Chloride

  • benz(o)– alk(yl) (amm)onium

    From American Heritage Dictionary of the English Language, 5th Edition

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