1-Butene
1-Butene (IUPAC name: But-1-ene, also known as 1-butylene) is the organic compound with the formula CH3CH2CH=CH2. It is a colorless gas, but easily condensed to give a colorless liquid. It is classified as a linear alpha-olefin (terminal alkene).[1] It is one of the isomers of butene (butylene). It is a precursor to diverse products.
Reactions
Polymerization of 1-butene gives polybutylene, which is used to make piping for domestic plumbing.[2] Another application is as a comonomer in the production of certain kinds of polyethylene, such as linear low-density polyethylene (LLDPE).[3] It has also been used as a precursor to polypropylene resins, butylene oxide, and butanone.[4]
Manufacturing
1-Butene is produced by separation from crude C4 refinery streams and by ethylene dimerization. The former affords a mixture of 1-and 2-butenes, while the latter affords only the terminal alkene.[5] It is distilled to give a very high purity product. An estimated 12 billion kilograms were produced in 2011.[6]
References
Template:Alkenes Template:Hydrides by group
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