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Term:alizarin blue
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Accession:CHEBI:87355 term browser browse the term
Definition:An organic heterotetracyclic compound that is naphtho[2,3-f]quinoline-7,12-dione carrying two additional hydroxy groups at positions 5 and 6. Used as an acid-base indicator. Between pH 0.0 and pH 1.6 it changes from pink to yellow, and between pH 6.0 and pH 7.6 it changes from yellow to green.
Synonyms:exact_synonym: 5,6-dihydroxynaphtho[2,3-f]quinoline-7,12-dione
 related_synonym: C.I. 67410;   Formula=C17H9NO4;   InChI=1S/C17H9NO4/c19-14-8-4-1-2-5-9(8)15(20)12-11(14)10-6-3-7-18-13(10)17(22)16(12)21/h1-7,21-22H;   InChIKey=JROURLWMOZCGJV-UHFFFAOYSA-N;   SMILES=Oc1c(O)c2ncccc2c2C(=O)c3ccccc3C(=O)c12;   alizarin blue R
 xref: CAS:568-02-5;   Reaxys:275972

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Term Annotations click to browse term
  CHEBI ontology 19770
    role 19717
      application 19363
        indicator 8647
          visual indicator 4324
            colour indicator 4324
              acid-base indicator 117
                alizarin blue 0
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Term Annotations click to browse term
  CHEBI ontology 19770
    subatomic particle 19768
      composite particle 19768
        hadron 19768
          baryon 19768
            nucleon 19768
              atomic nucleus 19768
                atom 19768
                  main group element atom 19655
                    p-block element atom 19655
                      carbon group element atom 19548
                        carbon atom 19537
                          organic molecular entity 19537
                            organic group 18451
                              organic divalent group 18445
                                organodiyl group 18445
                                  carbonyl group 18346
                                    carbonyl compound 18346
                                      ketone 15978
                                        cyclic ketone 13458
                                          quinone 8238
                                            p-quinones 8139
                                              alizarin blue 0
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