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benzalkonium

noun benz·al·ko·ni·um \ ˌben-zal-ˈkō-nē-əm \
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Definition of benzalkonium

plural -s
: 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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Origin and Etymology of benzalkonium

benz- + alkyl + ammonium

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