Butene is a molecule that is a stable gas and has the property of a fuel. Butene consists of four-carbon and eight-hydrogen, thus giving the formula of C4H8. In order to synthesize Butene, one-hundred energy is required in the chemical synthesizer. It has a burntime of 1,600, enough for eight operations/items. It has the same burntime as its burn-able base-components. When drank, it does one damage to the player.