a quaternary compound is a compound consisting of exactly four chemical elements. In another use of the term in organic chemistry, a quaternary compound...
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ammonium salts or quaternary ammonium compounds (called quaternary amines in oilfield parlance) are salts of quaternary ammonium cations. Polyquats are a...
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also refer to: Quaternary (chemistry) (see also Quaternary compound and Quaternary phase) Quaternary structure of proteins Quaternary sector of the economy...
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ammonium alkyl- or aryl-substituted compounds ("quats"). Thus the product was originally called ammoniacal copper/quaternary ammonium. The copper in the preparation...
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Neuromuscular-blocking drug (redirect from Quaternary ammonium muscle relaxants)
new types of quaternary ammonium muscle relaxants. These are asymmetrical diester isoquinolinium compounds and bis-benzyltropinium compounds that are bistropinium...
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Retrieved 23 May 2011. quaternise: to convert (as an amine) into a quaternary compound "Alkoxylation". BASF. Archived from the original on 16 January 2021...
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GABAPENTIN 218. GALANTHAMINE HYDROBROMIDE 219. GALLAMINE, ITS SALTS, ITS QUATERNARY COMPOUND 220. GANCYCLOVIR 221. GANIRELIX 222. GATIFLOXACIN 223. GEMCITABINE...
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a molecule, and determines whether it is a binary compound, ternary compound, quaternary compound, or has even more elements. H − C | H H | − C | H H...
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ternary phases. With four elements, quaternary phases are more complex. The number of isomers of a ternary compound provide a distinction between inorganic...
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Choline chloride (category Quaternary ammonium compounds)
Choline chloride is an organic compound with the formula [(CH3)3NCH2CH2OH]+Cl−. It is a quaternary ammonium salt, consisting of choline cations ([(CH3)3NCH2CH2OH]+)...
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charged ion (anion) making what is called a nickellate. Numerous quaternary compounds (with four elements) of nickel have been studied for superconductivity...
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Didecyldimethylammonium chloride (category Quaternary ammonium compounds)
Didecyldimethylammonium chloride (DDAC) is a quaternary ammonium compound used as antiseptic/disinfectant. It causes the disruption of intermolecular interactions...
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In materials chemistry, a quaternary phase is a chemical compound containing four elements. Some compounds can be molecular or ionic, examples being...
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second. If two elements can form three compounds between them, then the third compound is a "quaternary" compound containing one atom of the first element...
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Binary phase (redirect from Binary ionic compound)
chemistry, a binary phase or binary compound is a chemical compound containing two different elements. Some binary phase compounds are molecular, e.g. carbon tetrachloride...
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Indium gallium arsenide phosphide (category Indium compounds)
a quaternary compound semiconductor material, an alloy of gallium arsenide, gallium phosphide, indium arsenide, or indium phosphide. This compound has...
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Polyquaternium-7 (category Quaternary ammonium compounds)
organic compound in the polyquaternium class of chemicals and used in the personal care industry. It is the copolymer of acrylamide and the quaternary ammonium...
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Choline bitartrate (category Quaternary ammonium compounds)
(the "Gold Book") (1997). Online corrected version: (2006–) "quaternary ammonium compounds". doi:10.1351/goldbook.Q05003 "87-67-2 | Choline Bitartrate...
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Quaternary is a term used in organic chemistry to classify various types of compounds (e. g. amines and ammonium salts). Primary (chemistry) Secondary...
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List of semiconductor materials (redirect from Compound semiconductor)
alloying multiple compounds, some semiconductor materials are tunable, e.g., in band gap or lattice constant. The result is ternary, quaternary, or even quinary...
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Arsenobetaine (category Quaternary compounds)
Arsenobetaine is an organoarsenic compound that is the main source of arsenic found in fish. It is the arsenic analog of trimethylglycine, commonly known...
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Benzalkonium chloride (redirect from Benzalkonium compounds)
of cationic surfactant. It is an organic salt classified as a quaternary ammonium compound. ADBACs have three main categories of use: as a biocide, a cationic...
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Copper zinc tin sulfide (CZTS) is a quaternary semiconducting compound which has received increasing interest since the late 2000s for applications in...
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Betaine (category Quaternary ammonium compounds)
any neutral chemical compound with a positively charged cationic functional group that bears no hydrogen atom, such as a quaternary ammonium or phosphonium...
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Tetraoctylammonium bromide (category Quaternary ammonium compounds)
Tetraoctylammonium bromide (TOAB or TOABr) is a quaternary ammonium compound with the chemical formula: [CH3(CH2)7]4N Br. It is generally used as a phase...
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Zwitterion (section Other compounds)
structural motif, a quaternary nitrogen atom with a carboxylate group attached to it via a –CH2– link. At the present time, all compounds whose structure...
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Trimethyl ammonium compounds are a type of quaternary ammonium compound with three methyl groups at the nitrogen, with a more complicated carbon chain...
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to construct asymmetric quaternary carbon atoms. One of the most industrially important compounds containing a quaternary carbon is bis-phenol A (BPA)...
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cetylpyridinium chloride, benzethonium chloride) and others, non-quaternary compounds, such as chlorhexidine, glucoprotamine, octenidine dihydrochloride...
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The quaternary sector of the economy is based upon the economic activity that is associated with either the intellectual or knowledge-based economy. This...
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