butadieneAlso known as 1,3 butadiene (CH2=CHCH=CH2), a gaseous, flammable hydrocarbon made by dehydrogenation of butane and butene or by cracking naptha. Butadiene, an alkene, is mostly copolymerized with styrene to make synthetic rubber. Relative density 0.62, melting point -108.9°C (-164.0°F), boiling point -4.4°C (24.1°F). See also Diels-Alder reaction. Related category• ORGANIC CHEMISTRYAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |