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English

Noun
en-noun|sg=quaternary ammonium compound

1. 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 cation such as OH^-.

Related terms
primary amine
secondary amine
tertiary amine

• 2007-01-22 19:35 - Williamsayers79 - tidy up of Chemistry terms

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