In organic chemistry, quaternary ammonium cations, also known as quats, are positively-charged polyatomic ions of the structure [NR4]+, where R is an...

the ammonium cation is called a primary, secondary, tertiary, or quaternary. Except the quaternary ammonium cations, the organic ammonium cations are...

aryl) groups, discounting hydrogen atoms. The best-known quaternary compounds are quaternary ammonium salts, having a nitrogen atom at the center. For example...

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...

ethanolamine is preferred as copper carrier. Quaternary ammonium cations The quaternary ammonium cation in some formulations is didecyldimethylammonium...

Tetramethylammonium hydroxide (TMAH or TMAOH) is a quaternary ammonium salt with molecular formula N(CH3)4+ OH−. It is commonly encountered in form of...

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...

Tetramethylammonium (TMA) is the simplest quaternary ammonium cation. It has the chemical formula [Me4N]+ and consists of four methyl groups (−CH3, denoted...

quat in Wiktionary, the free dictionary. Quat may refer to: Quaternary ammonium cations, known as quats Elizabeth Quat (born 1966), Hong Kong politician...

structure R2C=N+. They form a subclass of nitrenium ions. Ammonium Imine Quaternary ammonium cation IUPAC, Compendium of Chemical Terminology, 2nd ed. (the...

Tetramethylammonium chloride is one of the simplest quaternary ammonium salts, with four methyl groups tetrahedrally attached to the central N. The chemical...

Tetrabutylammonium is a quaternary ammonium cation with the formula [N(C4H9)4]+, also denoted [NBu4]+ (where Bu = butyl group). It is used in the research...

Tetraethylammonium (TEA) is a quaternary ammonium cation with the chemical formula [Et4N]+, consisting of four ethyl groups (−C2H5, denoted Et) attached...

Dequalinium is a quaternary ammonium cation and bolaamphiphile commonly available as the dichloride salt. It is useful as an antiseptic and disinfectant...

effects like some other muscarinic antagonists. Chemically it is a quaternary ammonium cation which causes it to stay in periphery rather than crossing the...

to date been sufficiently addressed. Alcohol and alcohol plus Quaternary ammonium cation based compounds comprise a class of proven surface sanitizers...

(titanium dioxide) nanoparticles, peptization involves adsorption of quaternary ammonium cation on the titania surface. This causes the surface to become positively...

Tetrapropylammonium (TPA) is a quaternary ammonium cation with the formula [N(C3H7)4]+, also denoted [NPr4]+ (where Pr = propyl group). It is a precursor...

the combination of oxidizer permanganate anion and reducing ammonium cation. Dry ammonium permanganate can detonate by heat, shock, or friction, and it...

These species are not amines but are quaternary ammonium cations and have a charged nitrogen center. Quaternary ammonium salts exist with many kinds of anions...

acetylene) and an adjacent cation (e.g. Li+, Na+). This interaction is an example of noncovalent bonding between a monopole (cation) and a quadrupole (π system)...

as an anion or a cation, depending on whether it is negatively or positively charged. Thus, the counterion to an anion will be a cation, and vice versa...

histidine guanidine phosphazene bases hydroxides of quaternary ammonium cations or some other organic cations Most organic bases are considered to be weak....

complex with the formula [Co(CN)5]3−. When crystallized with a quaternary ammonium cation, it can be obtained as a yellow solid. Pentacyanocobaltate attracted...

air-stable than salts with smaller cations such as those containing quaternary ammonium cation [NR4]+, or alkali metal cations. This effect is attributed to...

reaction. Organic phosphonium cations are lipophilic and can be useful in phase transfer catalysis, much like quaternary ammonium salts. Salts or inorganic...

Chloride, inorganic salts of hydrochloric acid Free base (chemistry) Quaternary ammonium cation Stahl, P. Heinrich; Wermuth, Camille G., eds. (2011). Pharmaceutical...

Cetrimonium bromide, also known with the abbreviation CTAB, is a quaternary ammonium surfactant with a condensed structural formula [(C16H33)N(CH3)3]Br...

tiemonium, a quaternary ammonium cation. Scoular IT, Monks A, Burgess C, Turner P (1977). "Human studies on the bioavailability of a quaternary ammonium compounds...

Paul Walden. Other ionic liquids take advantage of asymmetrical quaternary ammonium cations like alkylated imidazolium ions, and large, branched anions like...