2-Chlorobenzoic acid

2-Chlorobenzoic acid
Names
Preferred IUPAC name
2-Chlorobenzoic acid
Other names
o-Chlorobenzoic acid
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.897
KEGG
UNII
  • InChI=1S/C7H5ClO2/c8-6-4-2-1-3-5(6)7(9)10/h1-4H,(H,9,10) Y
    Key: IKCLCGXPQILATA-UHFFFAOYSA-N Y
  • InChI=1/C7H5ClO2/c8-6-4-2-1-3-5(6)7(9)10/h1-4H,(H,9,10)
    Key: IKCLCGXPQILATA-UHFFFAOYAI
  • O=C(O)c1ccccc1Cl
Properties
C7H5ClO2
Molar mass 156.57 g·mol−1
Appearance white solid
Melting point 142 °C (288 °F; 415 K)
Boiling point 285 °C (545 °F; 558 K)
log P 2.039
Acidity (pKa) 2.89
−83.56·10−6 cm3/mol
Hazards
Safety data sheet (SDS) Oxford MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

2-Chlorobenzoic acid is an organic compound with the formula ClC6H4CO2H. It is one of three isomeric chlorobenzoic acids, the one that is the strongest acid. This white solid is used as a precursor to a variety of drugs, food additives, and dyes.