2-Bromocatechol is an organic compound featuring a catechol (1,2-dihydroxybenzene) core substituted with a bromine atom. It is a versatile bifunctional building block, combining the reactivity of an aryl bromide and the chelating properties of an ortho-dihydroxybenzene moiety. Its primary application is in organic synthesis and materials science. The bromine atom serves as a handle for cross-coupling reactions (e.g., Suzuki, Stille), while the catechol unit is a powerful ligand for metal ions. This makes it a key precursor for synthesizing complex ligands, metal-organic frameworks (MOFs), and functional polymers. It is also used in the preparation of bioactive molecules and as a starting material for heterocyclic compounds. The compound requires careful handling due to its potential irritant properties and sensitivity to air and light. It is typically stored under inert atmosphere and at low temperatures to maintain stability.