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CAS 16574-43-9

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Bromopyrogallol red

Description:
Bromopyrogallol red is a synthetic organic compound commonly used as a pH indicator in various chemical and biological applications. It is characterized by its vibrant color change, which occurs in response to changes in pH, typically transitioning from yellow in acidic conditions to red in alkaline environments. The compound is a derivative of pyrogallol and contains bromine substituents, which enhance its colorimetric properties. Its molecular structure includes multiple hydroxyl groups, contributing to its solubility in water and its ability to form hydrogen bonds. Bromopyrogallol red is often utilized in laboratory settings for titrations and as a visual marker in biochemical assays. Additionally, it has applications in the study of enzyme activities and in the monitoring of environmental samples. Safety data indicates that, like many chemical indicators, it should be handled with care, as it may pose health risks if ingested or inhaled. Overall, Bromopyrogallol red is a valuable tool in analytical chemistry due to its sensitivity and reliability in indicating pH changes.
Formula:C19H10Br2O8S
InChI:InChI=1S/C19H10Br2O8S/c20-10-5-8-17(15(24)13(10)22)28-18-9(6-11(21)14(23)16(18)25)19(8)7-3-1-2-4-12(7)30(26,27)29-19/h1-6,22-25H
InChI key:InChIKey=QFXYYBXMARTXHI-UHFFFAOYSA-N
SMILES:O=S1(=O)OC2(C=3C(OC=4C2=CC(Br)=C(O)C4O)=C(O)C(O)=C(Br)C3)C=5C1=CC=CC5
Synonyms:
  • 2',7'-Dibromospiro[2,1-Benzoxathiole-3,9'-Xanthene]-3',4',5',6'-Tetrol 1,1-Dioxide
  • 2-[(E)-[(5S)-3-bromo-5-hydroxy-4,6-dioxocyclohex-2-en-1-ylidene](5-bromo-2,3,4-trihydroxyphenyl)methyl]benzenesulfonate
  • 2-[(Z)-(3-bromo-4,5-dihydroxy-6-oxocyclohexa-2,4-dien-1-ylidene)(5-bromo-2,3,4-trihydroxyphenyl)methyl]benzenesulfonic acid
  • 2′,7′-Dibromo-3′,4′,5′,6′-tetrahydroxyspiro[benzo[c][1,2]oxathiole-3,9′-xanthene] 1,1-dioxide
  • 5,5-Dibromopyrogallolsulfonephthalein
  • Alpha-(5-Bromo-2,3-Dihydroxy-4-Oxo-2,5-Cyclohexadienylidene)-Alpha-(5-Bromo-2,3,4-Trihydroxyphenyl)Toluenesulphonic Acid
  • Bromopyrogallol
  • Brompyrogallol Red
  • NSC 315537
  • Pyrogallol bromine red
  • See more synonyms
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