Diphenic acid

Diphenic acid is an organic compound with the formula (C6H4CO2H)2. It is the most studied of several isomeric dicarboxylic acids of biphenyl. It is a white solid that can be prepared in the laboratory from anthranilic acid via the diazonium salt.[1] It is the product of the microbial action on phenanthrene.[2]

Diphenic acid
Names
Other names
2,2'-dibenzoic acid
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.006.889
EC Number
  • 207-576-4
536420
UNII
Properties
C14H10O4
Molar mass 242.230 g·mol−1
Appearance white solid
Density 1.2917 g/cm3
Melting point 235.5 °C (455.9 °F; 508.6 K)
Hazards
GHS pictograms
GHS Signal word Warning
GHS hazard statements
H315, H319, H335
P261, P264, P271, P280, P302+352, P304+340, P305+351+338, P312, P321, P332+313, P337+313, P362, P403+233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The compound forms a variety of coordination polymers.[3] It also exhibits atropisomerism.

References

  1. Atkinson, E. R.; Lawler, H. J. (1927). "Diphenic Acid". Organic Syntheses. 7: 30. doi:10.15227/orgsyn.007.0030.
  2. Moody, J. D.; Freeman, J. P.; Doerge, D. R.; Cerniglia, C. E. (2001). "Degradation of Phenanthrene and Anthracene by Cell Suspensions of Mycobacterium sp. Strain PYR-1". Applied and Environmental Microbiology. 67 (4): 1476–1483. doi:10.1128/AEM.67.4.1476-1483.2001. PMC 92757. PMID 11282593.
  3. Yang, Jin; Ma, Jian-Fang; Liu, Ying-Ying; Ma, Ji-Cheng; Batten, Stuart R. (2009). "A Series of Lead(II) Complexes with π−π Stackings: Structural Diversities by Varying the Ligands". Crystal Growth & Design. 9 (4): 1894–1911. doi:10.1021/cg801085d.
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