Butane is a gas at room temperature and atmospheric pressure. Butane is a highly flammable, colorless, easily liquefied gas that quickly vaporizes at room temperature. It consists of C4H10 or four C’s and ten H’s. How is it used? Butane is a hydrocarbon and a highly flammable, colourless, odourless, easily liquefied gas. It is typically used as fuel for cigarette lighters and portable stoves, a propellant in aerosols, a heating fuel, a refrigerant, and in the manufacture of a wide range of products. Why Butane is a good fuel? Refined butane, also known as Newport or N-butane is less expensive, less toxic, and more energy efficient than another fuel that it is commonly compared to, propane.