The chemical formula for propane is C3H8. Propane is a hydrocarbon that belongs to the alkane series, consisting of three carbon atoms and eight hydrogen atoms. It is a colorless and odorless gas at room temperature, though it is often mixed with an odorant to give it a distinctive smell for safety reasons. Propane is widely used as a fuel source for heating, cooking, and as an energy source in various industrial processes. Its versatility and clean-burning properties make it a popular choice in residential heating and cooking applications, as well as in outdoor grills and camping equipment.