CHEBI:90322 - Ponceau S (acid form)

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ChEBI Name Ponceau S (acid form)
ChEBI ID CHEBI:90322
Definition An 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'.
Stars This entity has been manually annotated by the ChEBI Team.
Supplier Information
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Formula C22H16N4O13S4
Net Charge 0
Average Mass 672.647
Monoisotopic Mass 671.95967
InChI InChI=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)
InChIKey KMNTUASVUKNVJS-UHFFFAOYSA-N
SMILES C1=C(C=CC(=C1)N=NC2=CC(=C(C=C2)N=NC3=C4C(=CC(=C3O)S(O)(=O)=O)C=C(C=C4)S(O)(=O)=O)S(O)(=O)=O)S(O)(=O)=O
Roles Classification
Application(s): 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.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing 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 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 acid ChEBI
Last Modified
12 November 2015