2-Propylthiazole is primarily used as a flavoring agent in the food and beverage industry due to its characteristic meaty, savory, green, and nutty odor, which mimics roasted or cooked meat notes. It is employed in seasonings, sauces, snacks, and ready-to-eat meals to enhance artificial meat flavors. Additionally, it finds limited application in fragrances and cosmetics for similar sensory profiles. As a heterocyclic compound, it is explored as an intermediate in the synthesis of pharmaceuticals, such as potential antimicrobial or anti-inflammatory agents, and agrochemicals like fungicides, though these uses are largely in research and development stages. Its sulfur and nitrogen atoms enable coordination in catalytic applications and material science, but these are minor uses.