Also known as butylene, butene is a simple 4 carbon gas that is easily condensed and is highly flammable. 

Market Dynamics:
Butene is primarily produced from long chain hydrocarbons in the cracking process, however, it can also be produced from ethylene.

Up Stream Materials/Building Blocks:
Crude Oil
Natural Gas
Ethylene (dimerization)

Down Stream Materials Consuming 1-Butene:
Butylene oxide
Low-density polyethylene (LLDPE)