3-Hydroxyphenylurea is primarily utilized in the field of organic synthesis, where it serves as an intermediate in the production of various chemical compounds. Its applications extend to the development of pharmaceuticals, particularly in the synthesis of drugs that target specific biological pathways. Additionally, it is employed in the creation of dyes and pigments, contributing to the coloration of textiles and other materials. In research settings, 3-Hydroxyphenylurea is often used as a reagent to study chemical reactions and mechanisms, aiding in the advancement of scientific knowledge. Its role in these diverse areas highlights its importance in both industrial and academic contexts.