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benzalkonium

noun
benz·​al·​ko·​ni·​um | \ ˌben-zal-ˈkō-nē-əm\
plural -s

Definition of benzalkonium

: a mixture of alkyl-benzyl-dimethyl-ammonium radicals C6H5CH2N(CH3)2R in which the alkyl groups range from C8H17 to C18H37

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History and Etymology for benzalkonium

benz- + alkyl + ammonium

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