1-(3,4-Diaminophenyl)ethanone is primarily used in the synthesis of dyes and pigments, particularly in the production of azo dyes, which are widely employed in the textile industry for coloring fabrics. Its diamine structure makes it a valuable intermediate in creating complex dye molecules that exhibit strong colorfastness and stability. Additionally, it finds application in the development of organic semiconductors and conductive polymers, where its aromatic amine groups contribute to electron transport properties. This compound is also utilized in the preparation of pharmaceutical intermediates, especially in the synthesis of compounds with potential biological activity. Its role in corrosion inhibitors for metals is another notable application, where it helps protect surfaces from degradation in industrial environments.