Quaternary_ammonium_cation Quaternary_ammonium_cation

Quaternary ammonium cation - Definition and Overview
Related Words: Four, Quad, Quadrangle, Quadrature, Quadric, Quadrilateral, Quadrille, Quadruped, Quadruplet, Quartet, Quartic, Quartile, Quaternion, Rectangle
Quaternary ammonium cation. Any or all of the R groups may be the same or different. Also, any of the R groups may be bonded together.

Quaternary ammonium cations, also known as quats, are positively charged polyatomic ions of the structure NR4+ with R being alkyl groups. Unlike the ammonium ion itself and primary, secondary, or tertiary ammonium cations, the quaternary ammonium cations are permanently charged, independent of the pH of their solution. Quaternary ammonium cations are synthesized by complete alkylation of ammonia or other amines. For possible synthesis route, see Amines.

See also


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Example Usage of Quaternary
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executioneer: Quaternary goal: use words "tertiary" and "Quaternary" in a twitter post
KeeleUniversity: & PW's a Keele grad! RT @KeeleGeology: Thurs 7.30pm WSB Keele: Charles Darwin,the Beagle & Quaternary Geology; Prof Peter Worsley (Reading)
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