CHEBI:82369 - acid red 26

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name acid red 26
ChEBI ID CHEBI:82369
Definition An organic sodium salt that is the disodium salt of 4-[(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonic acid. Its use is largely confined to Masson's trichrome, where it gives a slight orange shading to the red of the cytoplasmic structures.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:87102
Supplier Information
Download Molfile XML SDF
Formula C18H14N2Na2O7S2
Net Charge 0
Average Mass 480.42200
Monoisotopic Mass 480.00378
InChI InChI=1S/C18H16N2O7S2.2Na/c1-10-3-6-15(11(2)7-10)19-20-17-14-5-4-13(28(22,23)24)8-12(14)9-16(18(17)21)29(25,26)27;;/h3-9,21H,1-2H3,(H,22,23,24)(H,25,26,27);;/q;2*+1/p-2
InChIKey YJVBLROMQZEFPA-UHFFFAOYSA-L
SMILES [Na+].[Na+].Cc1ccc(N=Nc2c(O)c(cc3cc(ccc23)S([O-])(=O)=O)S([O-])(=O)=O)c(C)c1
Roles Classification
Biological Role(s): cardiotoxic agent
A role played by a chemical compound exihibiting itself through the ability to induce damage to the heart and cardiomyocytes.
carcinogenic agent
A role played by a chemical compound which is known to induce a process of carcinogenesis by corrupting normal cellular pathways, leading to the acquistion of tumoral capabilities.
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.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing acid red 26 (CHEBI:82369) has part 4-[(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonate (CHEBI:87105)
acid red 26 (CHEBI:82369) has role carcinogenic agent (CHEBI:50903)
acid red 26 (CHEBI:82369) has role cardiotoxic agent (CHEBI:50912)
acid red 26 (CHEBI:82369) has role histological dye (CHEBI:77178)
acid red 26 (CHEBI:82369) is a organic sodium salt (CHEBI:38700)
Synonyms Sources
C.I. 16150 ChEBI
CI F Food Red 5 ChemIDplus
disodium 4-[(2,4-dimethylphenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonate ChEBI
ponceau 2R ChEBI
ponceau de xylidine ChEBI
Ponceau Red R ChemIDplus
xylidine ponceau ChEBI
Manual Xref Database
C19294 KEGG COMPOUND
View more database links
Registry Numbers Types Sources
3761-53-3 CAS Registry Number ChemIDplus
5709350 Reaxys Registry Number Reaxys
Citation Waiting for Citations Type Source
25727789 PubMed citation Europe PMC
Last Modified
23 July 2015