Trimellitic acid (benzene-1,2,4-tricarboxylic acid) is a chemical compound with the molecular formula C6H3(СООН)3. Like the other isomers of benzenetricarboxylic acid, trimellitic acid is a colorless solid. It is prepared by oxidation of 1,2,4-trimethylbenzene.[2]

Trimellitic acid
Names
Preferred IUPAC name
Benzene-1,2,4-tricarboxylic acid
Other names
1,2,4-Benzenetricarboxylic acid; 4-Carboxyphthalic acid; 1,2,4-Tricarboxybenzene
Identifiers
3D model (JSmol)
ChemSpider
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UNII
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  • c1cc(c(cc1C(=O)O)C(=O)O)C(=O)O
Properties
C9H6O6
Molar mass 210.141 g·mol−1
Appearance White solid
Melting point 221–222 °C (430–432 °F; 494–495 K)[1]
21 g/L (0.1M) at 25 °C[citation needed]
log P 2.721
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Isomers

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See also

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References

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  1. ^ Fishwick, Brian (1957). "233. The analysis of mixtures of benzene-carboxylic acids by partition chromatography". Journal of the Chemical Society (Resumed): 1196. doi:10.1039/JR9570001196.
  2. ^ Park, Chang-Man; Sheehan, Richard J. (2000). "Phthalic Acids and Other Benzenepolycarboxylic Acids". Kirk-Othmer Encyclopedia of Chemical Technology. doi:10.1002/0471238961.1608200816011811.a01. ISBN 0471238961.