3-Hydroxybenzoic acid

3-Hydroxybenzoic acid is a monohydroxybenzoic acid.

Preparation

3-Hydroxybenzoic acid can be obtained by the alkali fusion of 3-sulfobenzoic acid between 210 – 220°C.

Natural occurrence

3-Hydroxybenzoic acid is a component of castoreum, the exudate from the castor sacs of the mature North American beaver and the European beaver, used in perfumery.
It can also be formed by a Pseudomonas species from 3-Chlorobenzoic acid.
3-Hydroxybenzoic Acid can be found in the pineapple fruit as well.