3-Fluorobenzoic acid

3-Fluorobenzoic acid is an organic compound with the formula C7H5FO2. It is the meta form of fluorobenzoic acid. Its conjugate base is 3-fluorobenzoate. The compound is an irritant. Its acidity (pKa) is lower than that of the ortho form (2-fluorobenzoic acid) but higher than that of the para form (4-fluorobenzoic acid). It has been used in a variety of scientific applications.[2]

3-Fluorobenzoic acid
Names
Preferred IUPAC name
3-Fluorobenzoic acid
Other names
m-Fluorobenzoic acid
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.006.590
KEGG
UNII
  • InChI=1S/C7H5FO2/c8-6-3-1-2-5(4-6)7(9)10/h1-4H,(H,9,10)
    Key: MXNBDFWNYRNIBH-UHFFFAOYSA-N
  • C1=CC(=CC(=C1)F)C(=O)O
Properties
C7H5FO2
Molar mass 140.113 g·mol−1
Appearance White powder
Melting point 123 °C (253 °F; 396 K)
Very soluble
log P 2.163
Acidity (pKa) 3.86 [1]
Hazards
Flash point 106 °C (223 °F; 379 K)
Safety data sheet (SDS) Laboratory Chemical Safety Summary
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H335
P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P321, P403+P233, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamond
2
0
0
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References
  1. m-Fluorobenzoic acid(455-38-9) MSDS Melting Point Boiling Point Density Storage Transport. Chemicalbook.com (2016). at <http://www.chemicalbook.com/ProductMSDSDetailCB4332624_EN.htm>
  2. 3-Fluorobenzoic acid F6605. Sigma-Aldrich (2017) at <http://www.sigmaaldrich.com/catalog/product/aldrich/f6605?lang=en&region=US>
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