2123. m-Chlorobenzoic Acid
Nomenclature
CAS number: 535-80-8
3-Chlorobenzoic acid. C7H5ClO2; mol wt 156.57.
C 53.70%, H 3.22%, Cl 22.64%, O 20.44%.
Description and references
Prepn by catalytic oxidation of 1-chloro-3-ethylbenzene: Emerson et al., J. Am. Chem. Soc. 71, 1742 (1949); by chlorination of benzoic acid: Gorvin, Chem. Ind. (London) 1951, 910; by the von Richter reaction from 1-chloro-4-nitrobenzene and alcoholic KCN: Samuel, J. Chem. Soc. 1960, 1318.
Properties
Crystals, mp 158°. d425 1.496. Sol in 2850 parts cold water; more sol in hot water; freely sol in alcohol, ether.Derivative
Methyl ester.Nomenclature
Methyl m-chlorobenzoate.C8H7ClO2; mol wt 170.59.
C 56.33%, H 4.14%, Cl 20.78%, O 18.76%.