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Substance Name: Pyrogallol sulfonphthalein
RN: 32638-88-3
InChIKey: KUQNCHZOCSYKOR-UHFFFAOYSA-N

Classification Code

  • Coloring Agents

Molecular Formula

  • C19-H12-O8-S

Molecular Weight

  • 400.362
 
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Names and Synonyms

Name of Substance

  • Pyrogallol sulfonphthalein

Synonyms

  • AI3-63037
  • EINECS 251-134-3

Systematic Names

  • Benzenesulfonic acid, 2-(4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl)-
  • Spiro(3H-2,1-benzoxathiole-3,9'-(9H)xanthene)-3',4',5',6'-tetrol, 1,1-dioxide

Registry Numbers

CAS Registry Number

  • 32638-88-3

Other Registry Numbers

  • 116239-00-0
  • 205682-71-9
  • 3172-49-4
  • 801145-40-4
  • 810024-92-1
  • 856926-05-1

System Generated Number

  • 0032638883

Structure Descriptors

InChI

1S/C19H12O8S/c20-12-7-5-10-17(15(12)22)26-18-11(6-8-13(21)16(18)23)19(10)9-3-1-2-4-14(9)28(24,25)27-19/h1-8,20-23H

InChIKey

KUQNCHZOCSYKOR-UHFFFAOYSA-N

Smiles

c12ccccc1S(=O)(=O)OC12c2c(Oc3c(O)c(O)ccc13)c(O)c(O)cc2