Last Updated
：2025/11/20
quaternary ammonium compound
Noun
Japanese Meaning
四級アンモニウム化合物とは、アンモニウムイオン中心に四つの置換基（R₁, R₂, R₃, R₄）が結合した化合物を指します。これらの置換基は同一であったり、異なっていたり、環状構造の一部であったりすることがあり、一般式はR₁R₂R₃R₄-N⁺X⁻で表され、XはOH⁻などの一価陰イオンとなります。
（ plural ）
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(chemistry) An amine derivative, containing four radicals, of general formula R₁R₂R₃R₄-N⁺X⁻; the radicals may be the same, different, or part of a ring; X is any univalent anion such as OH⁻.
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quaternary ammonium compound
The disinfectant formulation includes a quaternary ammonium compound to kill bacteria on high-touch surfaces.
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The disinfectant formulation includes a quaternary ammonium compound to kill bacteria on high-touch surfaces.
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