4,5-Dibromo-2-hydroxybenzaldehyde is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. Its structure allows it to serve as a building block for the synthesis of more complex molecules, especially those requiring brominated aromatic compounds. It is also utilized in the development of dyes and pigments due to its ability to form stable chromophores. Additionally, this compound finds application in research settings for studying chemical reactions involving halogenated aromatic aldehydes, contributing to advancements in synthetic organic chemistry. Its role in creating biologically active compounds makes it valuable in medicinal chemistry for drug discovery and development.