2-Fluorobenzoic acid

2-Fluorobenzoic acid is an aromatic organic compound with the formula FC₆H₄CO₂H. It is one of three isomeric fluorobenzoic acids. Its conjugate base is 2-fluorobenzoate. The compound is an irritant.

2-Fluorobenzoic acid

Names
Preferred IUPAC name 2-Fluorobenzoic acid
Other names o-Fluorobenzoic acid
Identifiers
CAS Number	445-29-4 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:19577 Y
ChEMBL	ChEMBL114383 Y
ChemSpider	9547 Y
ECHA InfoCard	100.006.509
KEGG	C02359 Y
PubChem CID	9935
UNII	64UZ32KOO4 Y
CompTox Dashboard (EPA)	DTXSID1060001
InChI InChI=1S/C7H5FO2/c8-6-4-2-1-3-5(6)7(9)10/h1-4H,(H,9,10) Key: NSTREUWFTAOOKS-UHFFFAOYSA-N
SMILES O=C(O)c1ccccc1F
Properties
Chemical formula	C7H5FO2
Molar mass	140.113 g·mol−1
Melting point	126 °C (259 °F; 399 K)
log P	1.856
Acidity (pKa)	3.27
Hazards
Flash point	102 °C (216 °F; 375 K)
Safety data sheet (SDS)	Laboratory Chemical Safety Summary
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Its metabolism has been studied extensively in the field of microbiology.^[1][2] Its conjugate base is part of the pathway of 2-fluorobiphenyl metabolism by Pseudomonas pseudoalcaligenes.

See also

• 4-Fluorobenzoic acid, the para isomer
• 3-Fluorobenzoic acid, the meta isomer
• 2-Chlorobenzoic acid