Octanoic hydrazide is primarily utilized in organic synthesis as a versatile intermediate for the preparation of various hydrazide derivatives. It is commonly employed in the development of pharmaceuticals, particularly in the synthesis of compounds with potential antimicrobial, antifungal, and anticancer properties. Additionally, it serves as a key reagent in the production of agrochemicals, where it contributes to the creation of pesticides and herbicides. Its application extends to polymer chemistry, where it is used to modify polymers and enhance their properties, such as thermal stability and mechanical strength. Furthermore, octanoic hydrazide is explored in material science for surface modification and functionalization of materials to achieve specific characteristics like corrosion resistance or improved adhesion.