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Amine

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About 1 pages (127 words)
Amine Summary

Any of a class of nitrogen-containing organic compounds derived, either in principle or in practice, from ammonia (NH3). Almost all their chemical names end in -ine. Replacement of one, two, or all three of the hydrogen atoms in ammonia with organic groups yields primary, secondary, or tertiary amines, respectively.

Addition of a fourth hydrogen with an accompanying positive charge on the nitrogen atom results in a quaternary amine. Naturally occurring amines include alkaloids, present in certain plants; some neurotransmitters, including dopamine and epinephrine; and histamine. Industrially important amines include aniline, ethanolamine, and others, used in making rubber, dyes, pharmaceuticals, and synthetic resins and fibres and in a host of other applications. A nitrogen atom with one or two hydrogens is often referred to as an amino group.

This is the complete article, containing 127 words (approx. 1 page at 300 words per page).

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    Amines are organic compounds formed from ammonia (NH3 by the replacement of one or more hydrogen at... more

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    Amine from Encyclopedia Brittanica. ©2009 Encyclopedia Brittanica. All rights reserved.

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