Pyrocatecholsulfonephthalein

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Properties Simple | Detailed

Formula C19H14O7S
IUPAC Name 4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]benzene-1,2-diol
Molecular Mass 386.375 g·mol−1
Heat of Formation -877.8 ± 16.7 kJ·mol−1
Dipole Moment 5.74 ± 1.08 D
Volume 401.6 Å 3
Surface Area 341.87 Å 2
HOMO Energy -8.90 ± 0.55 eV
LUMO Energy -0.90 ± eV
Point Group Symmetry C1
Synonyms
  • 1,2-benzenediol, 4,4'-(1,1-dioxido-3h-2,1-benzoxathiol-3-ylidene)bis-
  • 1,2-benzenediol, 4,4'-(3h-2,1-benzoxathiol-3-ylidene)bis-, s,s-dioxide
  • 1,2-benzenediol, 4,4'-(3h-2,1-benzoxathiol-3-ylidene)bis-, s,s-dioxide (9ci)
  • 3h-2,1-benzoxathiole, 3,3-bis(3,4-dihydroxyphenyl)-, 1,1-dioxide
  • 4-[3-(3,4-dihydroxyphenyl)-1,1-diketo-benzo[c]oxathiol-3-yl]pyrocatechol
  • 4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-3-benzo[c]oxathiolyl]benzene-1,2-diol
  • 4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-benzo[c][1,2]oxathiol-3-yl]benzene-1,2-diol
  • 4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-benzo[c]oxathiol-3-yl]benzene-1,2-diol
  • catechol violet
  • pkf
  • pyrocatechinsulfonephthalein
  • pyrocatechol, 4,4'-(3h-2,1-benzoxathiol-3-ylidene)di-, s,s-dioxide
  • pyrocatechol, 4,4'-(3h-2,1-benzoxathiol-3-ylidene)di-, s,s-dioxide (8ci)
CAS Number(s)
  • 51433-99-9
  • 3117-41-7
  • 115-41-3
  • 68943-33-9
InChIKey RRRCKIRSVQAAAS-UHFFFAOYSA-N
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