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CHEBI:87098 - 4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid

ChEBI IDCHEBI:87098
ChEBI Name4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid
Stars
DefinitionA naphthalenesulfonic acid that is naphthalene-1-sulfonic acid carrying additional hydroxy and (2-methoxyphenyl)diazenyl substituents at positions 4 and 3 respectively. The sodium salt is the biological stain 'acid red 4'.
Last Modified23 July 2015
SubmitterSteve
DownloadsMolfile
FormulaC17H14N2O5S
Net Charge0
Average Mass358.375
Monoisotopic Mass358.06234
SMILESCOc1ccccc1/N=N/c1cc(S(=O)(=O)O)c2ccccc2c1O
InChIInChI=1S/C17H14N2O5S/c1-24-15-9-5-4-8-13(15)18-19-14-10-16(25(21,22)23)11-6-2-3-7-12(11)17(14)20/h2-10,20H,1H3,(H,21,22,23)/b19-18+
InChIKeyJRLHFEXLBNGRJO-VHEBQXMUSA-N
ChEBI Ontology
Outgoing Relation(s)
4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid (CHEBI:87098) is a aromatic ether (CHEBI:35618)
4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid (CHEBI:87098) is a azobenzenes (CHEBI:22682)
4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid (CHEBI:87098) is a naphthalenesulfonic acid (CHEBI:36336)
4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid (CHEBI:87098) is a naphthols (CHEBI:25392)
4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid (CHEBI:87098) is conjugate acid of 4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonate (CHEBI:87099)
Incoming Relation(s)
4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonate (CHEBI:87099) is conjugate base of 4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid (CHEBI:87098)
IUPAC Name 
4-hydroxy-3-[(2-methoxyphenyl)diazenyl]naphthalene-1-sulfonic acid
Synonym  Source
acid red 4 (free acid form)ChEBI
Registry NumbersSources
Reaxys:7348371Reaxys