Trimellitic acid

CAS Registry Number®

528-44-9

CAS Name

Trimellitic acid

Molecular Formula

C9H6O6

Molecular Mass

210.14

Cite this Page

Trimellitic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=528-44-9 (retrieved 2025-07-02) (CAS RN: 528-44-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    200-220 °C @ Press: 12 Torr

  • Melting Point (2)

    219 °C

  • Density (3)

    0.317 g/cm³

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C9H6O6/c10-7(11)4-1-2-5(8(12)13)6(3-4)9(14)15/h1-3H,(H,10,11)(H,12,13)(H,14,15)

InChIKey

InChIKey=ARCGXLSVLAOJQL-UHFFFAOYSA-N

SMILES

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

Canonical SMILES

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

Other Names for this Substance

  • 1,2,4-Benzenetricarboxylic acid
  • 1,2,4-Tricarboxybenzene
  • Trimellitic acid
  • 1,4,5-Benzenetricarboxylic acid
  • 1,3,4-Benzenetricarboxylic acid

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CAS INSIGHTSTM
Purple and red filaments produced by electrostatic discharge inside a plasma ball.