4-Carboxybenzaldehyde

4-Carboxybenzaldehyde (CBA) is an organic compound with the formula OCHC6H4CO2H. It consists of a benzene ring substituted with both an aldehyde and a carboxylic acid, with these functional groups on opposite corners of the ring. This compound is formed in 0.5% yield as a byproduct in the production terephthalic acid from p-xylene. Since approximately 40,000,000 tons of terephthalic acid are produced per year, CBA is a relatively large scale industrial chemical.[1]

4-Carboxybenzaldehyde
Names
Preferred IUPAC name
4-Formylbenzoic acid
Systematic IUPAC name
4-Formylbenzenecarboxylic acid
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.009.645
EC Number
  • 210-607-4
UNII
  • InChI=1S/C8H6O3/c9-5-6-1-3-7(4-2-6)8(10)11/h1-5H,(H,10,11)
    Key: GOUHYARYYWKXHS-UHFFFAOYSA-N
  • InChI=1/C8H6O3/c9-5-6-1-3-7(4-2-6)8(10)11/h1-5H,(H,10,11)
    Key: GOUHYARYYWKXHS-UHFFFAOYAP
  • c1cc(ccc1C=O)C(=O)O
Properties
C8H6O3
Molar mass 150.133 g·mol−1
Appearance white solid
Melting point 245 °C (473 °F; 518 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

See also

References
  1. Scott D. Barnicki "Synthetic Organic Chemicals" in Handbook of Industrial Chemistry and Biotechnology edited by James A. Kent, New York : Springer, 2012. 12th ed. ISBN 978-1-4614-4258-5 (Print) ISBN 978-1-4614-4259-2 (Online)
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