2124. o-Chlorobenzoic Acid

Nomenclature

CAS number: 118-91-2
2-Chlorobenzoic acid.
C7H5ClO2; mol wt 156.57.
C 53.70%, H 3.22%, Cl 22.64%, O 20.44%.

Description and references

Prepd by KMnO4 oxidation of o-chlorotoluene: Clarke, Taylor, Org. Synth. coll. vol. II, 135 (1943). Crystal structure: Ferguson, Sim, Acta Crystallogr. 12, 941 (1959), C.A. 55, 24188i (1961).

Chemical structure

Properties

Monoclinic crystals, mp 142°. d420 1.544. Sol in 900 parts cold water; more sol in hot water, freely in alc, ether.

Use

Preservative for glues, paints. Intermediate in the manufacture of fungicides and dyes.