Violuric acid monohydrate is primarily utilized in analytical chemistry as a reagent for the detection and quantification of various metal ions. It forms colored complexes with metals like copper, nickel, and cobalt, making it valuable for spectrophotometric analysis. Additionally, it serves as a precursor in the synthesis of heterocyclic compounds, which are important in pharmaceutical and agrochemical industries. Its ability to act as a chelating agent also finds applications in coordination chemistry and material science.