Piloty's acid is an
organic compound
In chemistry, organic compounds are generally any chemical compounds that contain carbon-hydrogen or carbon-carbon bonds. Due to carbon's ability to catenate (form chains with other carbon atoms), millions of organic compounds are known. The ...
with the formula C
6H
5SO
2N(H)OH. A white solid, it is the
benzenesulfonyl derivative of
hydroxylamine
Hydroxylamine is an inorganic compound with the formula . The material is a white crystalline, hygroscopic compound.Greenwood and Earnshaw. ''Chemistry of the Elements.'' 2nd Edition. Reed Educational and Professional Publishing Ltd. pp. 431–43 ...
. It is one of the main
reagent
In chemistry, a reagent ( ) or analytical reagent is a substance or compound added to a system to cause a chemical reaction, or test if one occurs. The terms ''reactant'' and ''reagent'' are often used interchangeably, but reactant specifies a ...
s used to generate
nitroxyl
Nitroxyl (common name) or azanone (IUPAC name) is the chemical compound HNO. It is well known in the gas phase. Nitroxyl can be formed as a short-lived intermediate in the solution phase. The conjugate base, NO−, nitroxide anion, is the redox re ...
(HNO), a highly reactive species that is implicated in a some chemical and biochemical reactions.
[{{cite journal, title=Synthesis, chemistry, and Applications of Nitroxyl Ion Releasers Sodium Trioxodinitrate or Angeli's Salt and Piloty's Acid, author1=Hughes, Martin N., author2=Cammack, Richard, journal=Methods in Enzymology (Nitric Oxide, Part C: Biological and Antioxidant Activities), year=1999, volume=301, pages=279–287, doi=10.1016/S0076-6879(99)01092-7 , pmid=9919577 ]
See also
*
Angeli's salt
Angeli's salt, sodium trioxodinitrate, is the inorganic compound with the formula Na2 2O3 It contains nitrogen in an unusual reduced state. It is a colorless, water-soluble solid, a salt. In research, this salt is used as a source of the metas ...
References
Hydroxylamines
Sulfonamides
Benzenesulfonates