In chemistry, a superacid (according to the original definition) is an acid with an acidity greater than that of 100% pure sulfuric acid (H2SO4), which...

cations and anions (the simplest being H 2F+ and SbF− 6). This mixture is a superacid stronger than pure sulfuric acid, by many orders of magnitude, according...

challenges in all applications due to the loss of water above 100 °C. It is a superacid catalyst. The combination of fluorinated backbone, sulfonic acid groups...

Magic acid (FSO3H·SbF5) is a superacid consisting of a mixture, most commonly in a 1:1 molar ratio, of fluorosulfuric acid (HSO3F) and antimony pentafluoride...

acids H(CXB 11Y 5Z 6) (X, Y, Z = H, Alk, F, Cl, Br, CF3) are a class of superacids, some of which are estimated to be at least one million times stronger...

protonating medium than 100% sulfuric acid and thus, by definition, a superacid. (To prevent ambiguity, in the rest of this article, "strong acid" will...

colourless, viscous liquid is a strong Lewis acid and a component of the superacid fluoroantimonic acid, formed upon mixing liquid HF with liquid SbF5 in...

that is used for very concentrated solutions of strong acids, including superacids. It was proposed by the physical organic chemist Louis Plack Hammett and...

stronger with nearby electrons than any partly ionized atom. Although superacids are sometimes said to owe their extraordinary hydron-donating power to...

His research involved the generation and reactivity of carbocations via superacids. For this research, Olah was awarded a Nobel Prize in Chemistry in 1994...

(HNO3); these are also known as bench acids. Mineral acids range from superacids (such as perchloric acid) to very weak ones (such as boric acid). Mineral...

probably the strongest base according to quantum-chemical calculations. Superacid Phosphazene Puleo, Thomas R.; Sujansky, Stephen J.; Wright, Shawn E.;...

CF3SO2. Abbreviated Tf2O, triflic anhydride is the acid anhydride of the superacid triflic acid, CF3SO2OH. Triflic anhydride is prepared by dehydration of...

polyatomic ion; this comes from the fact that triflic acid (CF3SO3H) is a superacid; i.e. it is more acidic than pure sulfuric acid, already one of the strongest...

is a far stronger protonating agent. These acids are categorized as "superacids", acids stronger than 100% sulfuric acid. Reflecting its strong acidity...

esterification and dehydration of alcohols. When allowed to react with superacids, sulfuric acid can act as a base and can be protonated, forming the [H3SO4]+...

atoms and one dihydrogen molecule), bearing a +1 electric charge. It is a superacid and one of the onium ions, indeed the simplest carbonium ion. It is highly...

Methanium can also be produced as diluted solutions from methane with superacids. Cations with higher charge, such as CH2+6 and CH3+7, have been studied...

oxidants. Pure H[BF4] has not been described. The same holds true for the superacids that are known by the simplified formulas H[PF6] and H[SbF6]. However...

HF is also widely used in the petrochemical industry as a component of superacids. Due to strong and extensive hydrogen bonding, it boils near room temperature...

Additionally it is a useful component in etching of chrome. Perchloric acid, a superacid, is one of the strongest Brønsted–Lowry acids. That its pKa is lower than...

containers. It is used in containers for storing fluoroantimonic acid, a superacid. PTFE tubes are used in gas-gas heat exchangers in gas cleaning of waste...

SbCl 5 is monomeric. SbF 5 is a powerful Lewis acid used to make the superacid fluoroantimonic acid ("H2SbF7"). Oxyhalides are more common for antimony...

methanium ion, CH5+, which is formed by protonation of methane using a superacid. By necessity of having five bonds on carbon but only four valence electron...

(R-12 refrigerant), a CFC Trifluoromethanesulfonic acid (triflic acid), a superacid Perfluorooctanesulfonic acid, a fluorosurfactant (the anion is depicted)...

A Simple Neutral Silane Acting as a Soft and Hard Lewis Superacid". Angew. Chem. Int. Ed. 60 (24): 13656–13660. doi:10.1002/anie.202103414...

benzenium ion can be isolated when benzene is protonated by the carborane superacid H(CB11H(CH3)5Br6). The benzenium salt is crystalline with thermal stability...

different environments, most notably the Hammett acidity function, H0, for superacid media and its modified version H− for superbasic media. The term acidity...

years" have been prepared. Typically alkyl cations are generated using superacids and alkyl anions are observed in the presence of strong bases. Alkyl radicals...

acidic plastic that is filterable. Superacids are acids stronger than 100% sulfuric acid. Examples of superacids are fluoroantimonic acid, magic acid...