In organic chemistry, quaternary ammonium cations, also known as quats, are positively-charged polyatomic ions of the structure [NR4]+, where R is an...
27 KB (2,783 words) - 04:39, 18 September 2024
the ammonium cation is called a primary, secondary, tertiary, or quaternary. Except the quaternary ammonium cations, the organic ammonium cations are...
20 KB (2,099 words) - 14:03, 15 September 2024
aryl) groups, discounting hydrogen atoms. The best-known quaternary compounds are quaternary ammonium salts, having a nitrogen atom at the centre. For example...
3 KB (304 words) - 08:31, 5 September 2022
ethanolamine is preferred as copper carrier. Quaternary ammonium cations The quaternary ammonium cation in some formulations is didecyldimethylammonium...
11 KB (1,331 words) - 13:37, 21 August 2023
Tetramethylammonium chloride (redirect from Tetramethyl ammonium chloride)
Tetramethylammonium chloride is one of the simplest quaternary ammonium salts, with four methyl groups tetrahedrally attached to the central N. The chemical...
6 KB (445 words) - 17:46, 19 July 2023
Choline bitartrate (category Quaternary ammonium compounds)
Quaternary ammonium cation is a cation in which all four hydrogen atoms of ammonium are replaced with organyl groups. In the choline cation, the four substituents...
7 KB (557 words) - 23:00, 12 August 2024
Dequalinium (category Quaternary ammonium compounds)
Dequalinium is a quaternary ammonium cation and bolaamphiphile commonly available as the dichloride salt. It is useful as an antiseptic and disinfectant...
7 KB (494 words) - 22:59, 14 April 2024
dictionary. Quat may refer to: Quat (surname), a Chinese surname Quaternary ammonium cation, a class of chemical molecules used as a disinfectant, surfactant...
484 bytes (101 words) - 10:35, 4 November 2022
Tetramethylammonium hydroxide (redirect from Tetramethyl ammonium hydroxide)
Tetramethylammonium hydroxide (TMAH or TMAOH) is a quaternary ammonium salt with molecular formula N(CH3)4+ OH−. It is commonly encountered in form of...
14 KB (1,309 words) - 19:27, 15 September 2024
Onium ion (category Cations)
becomes a positive cation. Lewis acids form -ate ions when the central atom gains one more bond and becomes a negative anion. boronium cation, BH+4 (protonated...
16 KB (1,499 words) - 15:22, 4 December 2023