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CHEBI:87115 - 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid

ChEBI IDCHEBI:87115
ChEBI Name7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid
Stars
DefinitionA naphthalenesulfonic acid that is naphthalene-1,3-disulfonic acid carrying additional hydroxy and (naphthalen-1-yl)diazenylsubstituents at positions 7 and 8 respectively. The disodium salt is the biological stain 'acid red 44'.
Last Modified25 August 2023
SubmitterSteve
DownloadsMolfile
FormulaC20H14N2O7S2
Net Charge0
Average Mass458.473
Monoisotopic Mass458.02424
SMILESO=S(=O)(O)c1cc(S(=O)(=O)O)c2c(N=Nc3cccc4ccccc34)c(O)ccc2c1
InChIInChI=1S/C20H14N2O7S2/c23-17-9-8-13-10-14(30(24,25)26)11-18(31(27,28)29)19(13)20(17)22-21-16-7-3-5-12-4-1-2-6-15(12)16/h1-11,23H,(H,24,25,26)(H,27,28,29)
InChIKeyHOQKGCIZHZIZQS-UHFFFAOYSA-N
ChEBI Ontology
Outgoing Relation(s)
7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid (CHEBI:87115) is a monoazo compound (CHEBI:48959)
7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid (CHEBI:87115) is a naphthalenesulfonic acid (CHEBI:36336)
7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid (CHEBI:87115) is a naphthols (CHEBI:25392)
7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid (CHEBI:87115) is conjugate acid of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate (CHEBI:87116)
Incoming Relation(s)
7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonate (CHEBI:87116) is conjugate base of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid (CHEBI:87115)
IUPAC Name 
7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid
Synonym  Source
acid red 44 (free acid form)ChEBI
Registry NumbersSources
Reaxys:8135275Reaxys