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1-Butene

1-Butylene α-Butylene |NFPA-H = 1 | NFPA-F = 4 | NFPA-R = 0

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). 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. Another application is as a comonomer in the production of certain kinds of polyethylene, such as linear low-density polyethylene (LLDPE). It has also been used as a precursor to polypropylene resins, butylene oxide, and butanone.

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. It is distilled to give a very high purity product. An estimated 12 billion kilograms were produced in 2011.

References

es:Buteno#El 1-buteno

References

  1. (2014). "Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book)". [[Royal Society of Chemistry.
  2. "1-BUTENE".
  3. (2000). "Polyolefins".
  4. (2008). "Olefin polymer technologies—History and Recent Progress at the Dow Chemical Company". Progress in Polymer Science.
  5. "1-Butene product overview".
  6. "Alphabutol process - Big Chemical Encyclopedia".
  7. (2014). "Butenes".
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