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Indophenol

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Revision as of 13:24, 2 December 2010 by CheMoBot (talk | contribs) (Updating {{chembox}} (no changed fields - added verified revid - updated 'UNII_Ref', 'ChemSpiderID_Ref', 'StdInChI_Ref', 'StdInChIKey_Ref') per Chem/Drugbox validation (report [[Wikipedia_talk:Wi)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)
Indophenol
Names
IUPAC name 4-(4-hydroxyphenyl)iminocyclohexa-2,5-dien-1-one
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.007.194 Edit this at Wikidata
PubChem CID
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C12H9NO2/c14-11-5-1-9(2-6-11)13-10-3-7-12(15)8-4-10/h1-8,14HKey: RSAZYXZUJROYKR-UHFFFAOYSA-N
  • InChI=1/C12H9NO2/c14-11-5-1-9(2-6-11)13-10-3-7-12(15)8-4-10/h1-8,14HKey: RSAZYXZUJROYKR-UHFFFAOYAS
SMILES
  • O=C/2/C=C\C(=N\c1ccc(O)cc1)\C=C\2
Properties
Chemical formula C12H9NO2
Molar mass 199.209 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Indophenol is an artificial blue metachromatic dye, obtained by the action of phenol on certain nitrogenous derivatives of quinone. Indophenol resembles the color indigo in appearance. Dichlorophenol-indophenol (DCPIP), a form of indophenol, is often used to determine the presence of vitamin C, or ascorbic acid.

The formation of indophenol is used to determine ammonia and paracetamol by spectrophotometry.

Indophenol blue (CAS 132-31-0) is a completely different molecule with systematic name N-(p-dimethylaminophenyl)-1,4-naphthoquinoneimine.

References

  1. Definition of indophenol from Dictionary.com
  2. Ascorbic acid and indophenol
  3. Tsuboi, T.; Hirano, Y.; Shibata, Y.; Motomizu, S.: Sensitivity Improvement of Ammonia Determination Based on Flow-Injection Indophenol Spectrophotometry with Manganese(II) Ion as a Catalyst and Analysis of Exhaust Gas of Thermal Power Plant, Analytical Sciences, October 2002, Vol. 18, pp. 1141/4
  4. Systematic name of idophenol blue


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