Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals. It serves in the preparation of esters and amides through acylation reactions, especially in the production of herbicides related to phenoxyacetic acid derivatives. Its reactivity makes it valuable in organic synthesis for introducing the phenoxyacetyl group under controlled conditions. Also employed in research settings for developing new bioactive molecules and in the manufacture of specialty polymers where specific side-chain functionalities are required.