2,6-Dichloroquinone-4-chloroimide (Gibbs reagent) is an organic compound used as an colorimetric indicator to detect phenolic compounds.[1] Upon reaction with phenol itself, 2,6-dichlorophenolindophenol is formed,[2] a chemical that is used as a redox indicator.

References

  1. ^ Arip, Mohamad Nasir Mat; Heng, Lee Yook; Ahmad, Musa; Aishah Hasbullah, Siti (2013). "Reaction of 2,6-dichloroquinone-4-chloroimide (Gibbs reagent) with permethrin – an optical sensor for rapid detection of permethrin in treated wood". Chem Cent J. 7: 122. doi:10.1186/1752-153X-7-122. PMC 3726330. PMID 23867006.
  2. ^ Svobodová, D.; Křenek, P.; Fraenkl, M.; Gasparič, J. (1977). "Colour Reaction of Phenols with the Gibbs Reagent. The Reaction Mechanism and Decomposition and Stabilisation of the Reagent". Microchim. Acta. 67 (3–4): 251–264. doi:10.1007/BF01213035. S2CID 93587492.


Allikas: http://en.wikipedia.org/wiki/2,6-Dichloroquinone-4-chloroimide
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