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CHEBI:90322 - Ponceau S (acid form)

Default Structure
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:
fluorochrome  A fluorescent dye used to stain biological specimens.
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.
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