Butene-1 is an organic chemical compound used as a co-monomer of polyethylene polymerization. Butene-1 is also used as feedstock to produce 1,2-butylene oxide, methyl-ethyl-ketone (MEK), maleic anhydride, and n-butyl derivatives. Butene-1 has good solvent properties and is an organic chemical compound, linear alpha-olefin (alkene), and one of the isomers of butenes.