Tetrachlorophthalic anhydride

CAS Registry Number®

117-08-8
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CAS Name

Tetrachlorophthalic anhydride

Molecular Formula

C8Cl4O3

Molecular Mass

285.90

Cite this Page

Tetrachlorophthalic anhydride.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/ChemicalDetail.aspx?ref=117-08-8 (retrieved 2024-04-25) (CAS RN: 117-08-8).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    371 °C

  • Melting Point (1)

    255-256.5 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C8Cl4O3/c9-3-1-2(8(14)15-7(1)13)4(10)6(12)5(3)11

InChIKey

InChIKey=AUHHYELHRWCWEZ-UHFFFAOYSA-N

SMILES

ClC1=C2C(=C(Cl)C(Cl)=C1Cl)C(=O)OC2=O

Canonical SMILES

O=C1OC(=O)C=2C(Cl)=C(Cl)C(Cl)=C(Cl)C12

Other Names for this Substance

  • 1,3-Isobenzofurandione, 4,5,6,7-tetrachloro-
  • Phthalic anhydride, tetrachloro-
  • 4,5,6,7-Tetrachloro-1,3-isobenzofurandione
  • Niagathal
  • Tetrachlorophthalic anhydride

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Deleted or Replaced CAS Registry Numbers

858829-10-4, 204975-24-6

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