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Phthalic acid

CAS Registry Number®

88-99-3

CAS Name

Phthalic acid

Molecular Formula

C8H6O4

Molecular Mass

166.13

Cite this Page

Phthalic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=88-99-3 (retrieved 2024-12-24) (CAS RN: 88-99-3).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    191 °C (decomp)

  • Density (1)

    1.593 g/cm³ @ Temp: 15 °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/C8H6O4/c9-7(10)5-3-1-2-4-6(5)8(11)12/h1-4H,(H,9,10)(H,11,12)

InChIKey

InChIKey=XNGIFLGASWRNHJ-UHFFFAOYSA-N

SMILES

C(O)(=O)C1=C(C(O)=O)C=CC=C1

Canonical SMILES

O=C(O)C=1C=CC=CC1C(=O)O

Other Names for this Substance

  • 1,2-Benzenedicarboxylic acid
  • Phthalic acid
  • o-Benzenedicarboxylic acid
  • o-Dicarboxybenzene
  • Sunftal 20

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Deleted or Replaced CAS Registry Numbers

4401-64-3

CAS INSIGHTSTM
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