N-Octyl isothiocyanate is primarily used in the field of agriculture as a potent pesticide and fungicide. It is effective in controlling a variety of pests and fungal infections that can damage crops, thereby enhancing agricultural productivity. Additionally, it is utilized in research and development for studying plant-pathogen interactions due to its ability to induce defense responses in plants. In the pharmaceutical industry, it is explored for its antimicrobial properties, which can be harnessed in developing new therapeutic agents. Its application extends to material science as well, where it is used in the synthesis of specialized polymers and coatings that require specific chemical functionalities.