Amino group



the univalent group, −NH 2 .
Historical Examples

Richard Willsttter showed that an internal neutralization takes place between the amino group and the free acidic residue.
Smithsonian Institution – United States National Museum – Bulletin 240 Anonymous

The same increase accompanies the introduction of the amino group into aromatic nuclei.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 Various

noun

in chemistry, an -NH2 group, consisting of a nitrogen atom attached by single bonds to hydrogen atoms, alkyl groups, aryl groups, or a combination of them; also called amino radical
Examples

An organic compound that contains an amino group is called an amine.
Usage Note

science

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  • Aminophenol

    a white crystalline substance, C 6 H 7 NO, occurring in three isomers, meta-, ortho-, and para-aminophenol: used as an intermediate for dyes and as a photographic developer. noun (chem) any of three isomeric forms that are soluble crystalline solids, used as a dye intermediate (meta- and ortho-), in dyeing hair, fur, and textiles (ortho- […]



  • Amino radical

    the univalent group, −NH 2 . noun See amino group noun in chemistry, an -NH2 group, consisting of a nitrogen atom attached by single bonds to hydrogen atoms, alkyl groups, aryl groups, or a combination of them; also called amino radical Examples An organic compound that contains an amino group is called an amine. Usage […]

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