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...

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

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

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

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

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...

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

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...

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

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

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

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

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

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

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...

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

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

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

for use in the mouth. It is a salt consisting of a lipophilic quaternary ammonium cation and iodide as the counterion. Scolari G (September 1979). "[Use...

these are styrene–divinylbenzene copolymer resins that have quaternary ammonium cations as an integral part of the resin matrix. Reaction: –NR4+OH− +...

Emde-reaction or Emde-reduction) is a method for the reduction of a quaternary ammonium cation to a tertiary amine with sodium amalgam: This organic reaction...

As counterions, there can be metal cations, quaternary ammonium cations or other ions, for example, nitronium cation (NO+2). The term perchlorate can also...

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

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...

free dictionary. BZK or variant, may refer to: Benzalkonium, a quaternary ammonium cation, frequently used as a biocidal cleanser Billy Ze Kick, a French...

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

Conventional softeners primarily function chemically, employing quaternary ammonium cation or stearic acid, which is either suspended in liquid or applied...