Spiro[2,1-Benzoxathiole-3,9'-Xanthene]-3',6'-Diol 1,1-Dioxide

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Properties Simple | Detailed

Formula C19H12O6S
IUPAC Name 1,1-dioxospiro[2,1λ6-benzoxathiole-3,9'-xanthene]-3',6'-diol
Molecular Mass 368.360 g·mol−1
Heat of Formation -685.7 ± 16.7 kJ·mol−1
Dipole Moment 6.95 ± 1.08 D
Volume 376.96 Å 3
Surface Area 322.7 Å 2
HOMO Energy -9.24 ± 0.55 eV
LUMO Energy -0.85 ± eV
Point Group Symmetry Cs
Synonyms
  • 1,1-diketospiro[benzo[c]oxathiole-3,9'-xanthene]-3',6'-diol
  • 1,1-dioxospiro[benzo[c][1,2]oxathiole-3,9'-xanthene]-3',6'-diol
  • 1,1-dioxospiro[benzo[c]oxathiole-3,9'-xanthene]-3',6'-diol
  • benzenesulfonic acid, o-(3,6,9-trihydroxyxanthen-9-yl)-, gamma-sultone (7ci)
  • spiro(3h-2,1-benzoxathiole-3,9'-(9h)xanthene)-3',6'-diol 1,1-dioxide
  • sulfonefluorescein
CAS Number(s)
  • 4424-03-7
InChIKey VJYGFSGAAOVTLC-UHFFFAOYSA-N
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