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CHEBI:90322 - Ponceau S (acid form)

ChEBI IDCHEBI:90322
ChEBI NamePonceau S (acid form)
Stars
DefinitionAn arenesulfonic acid that is 3-hydroxynaphthalene-2,7-disulfonic acid carrying a {2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl group at position 4. The tetrasodium salt is the biological stain 'Ponceau S'.
Last Modified12 November 2015
SubmitterSteve
DownloadsMolfile
FormulaC22H16N4O13S4
Net Charge0
Average Mass672.653
Monoisotopic Mass671.95967
SMILESO=S(=O)(O)c1ccc(N=Nc2ccc(N=Nc3c(O)c(S(=O)(=O)O)cc4cc(S(=O)(=O)O)ccc34)c(S(=O)(=O)O)c2)cc1
InChIInChI=1S/C22H16N4O13S4/c27-22-20(43(37,38)39)10-12-9-16(41(31,32)33)6-7-17(12)21(22)26-25-18-8-3-14(11-19(18)42(34,35)36)24-23-13-1-4-15(5-2-13)40(28,29)30/h1-11,27H,(H,28,29,30)(H,31,32,33)(H,34,35,36)(H,37,38,39)
InChIKeyKMNTUASVUKNVJS-UHFFFAOYSA-N
Roles Classification
Applications:
histological dye  A dye used in microscopic or electron microscopic examination of cells and tissues to give contrast and to highlight particular features of interest, such as nuclei and cytoplasm.
fluorochrome  A fluorescent dye used to stain biological specimens.
ChEBI Ontology
Outgoing Relation(s)
Ponceau S (acid form) (CHEBI:90322) has role fluorochrome (CHEBI:51217)
Ponceau S (acid form) (CHEBI:90322) has role histological dye (CHEBI:77178)
Ponceau S (acid form) (CHEBI:90322) is a arenesulfonic acid (CHEBI:33555)
Ponceau S (acid form) (CHEBI:90322) is a azobenzenes (CHEBI:22682)
Ponceau S (acid form) (CHEBI:90322) is a bis(azo) compound (CHEBI:48960)
Ponceau S (acid form) (CHEBI:90322) is a naphthols (CHEBI:25392)
Ponceau S (acid form) (CHEBI:90322) is conjugate acid of Ponceau S(4−) (CHEBI:90323)
Incoming Relation(s)
Ponceau S(4−) (CHEBI:90323) is conjugate base of Ponceau S (acid form) (CHEBI:90322)
IUPAC Name 
3-hydroxy-4-({2-sulfo-4-[(4-sulfophenyl)diazenyl]phenyl}diazenyl)naphthalene-2,7-disulfonic acid
Synonym  Source
Ponceau S free acidChEBI