Tetrachlorophthalic Anhydride

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Properties Simple | Detailed

Formula C8Cl4O3
IUPAC Name 4,5,6,7-tetrachloroisobenzofuran-1,3-dione
Molecular Mass 285.896 g·mol−1
Heat of Formation -411.8 ± 16.7 kJ·mol−1
Dipole Moment 3.37 ± 1.08 D
Volume 243.63 Å 3
Surface Area 223.32 Å 2
HOMO Energy -10.63 ± 0.55 eV
LUMO Energy 0.50 ± eV
Point Group Symmetry C2v
Synonyms
  • 1,3-dioxy-4,5,6,7-tetrachloroisobenzofuran
  • 1,3-isobenzofurandione, 4,5,6,7-tetrachloro-
  • 4,5,6,7-tetrachloro-1,3-isobenzofurandione
  • 4,5,6,7-tetrachloro-2-benzofuran-1,3-dione
  • 4,5,6,7-tetrachloroisobenzofuran-1,3-quinone
  • cp 626
  • niagathal
  • phthalic anhydride, tetrachloro-
  • tetrathal
CAS Number(s)
  • 204975-24-6
  • 117-08-8
InChIKey AUHHYELHRWCWEZ-UHFFFAOYSA-N
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Elements C O Cl