Alkylammonium

In organic chemistry, alkylammonium refers to cations of the formula [R4−nNHn]+, where R = alkyl and 1≤ n ≤ 4. The cations with four alkyl substituents, i.e., [R4N]+, are further classified as quaternary ammonium cations and are discussed more thoroughly in the article with that title. In contrast to quaternary ammonium cations, other members of the alkylammonium cations do not exist appreciably in the presence of strong base because they undergo deprotonation, yielding the parent amine. The alkylammonium cations containing N-H centers are colorless and often hydrophilic.

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