1-Butene

1-Butene

1-Butene

Chemical compound

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-1-ene is an alkene easily condensed to give a colorless liquid. It is classified as a linear alpha-olefin (terminal alkene).[2] It is one of the isomers of butene (butylene). It is a precursor to diverse products.

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Reactions

Polymerization of but-1-ene gives polybutylene, which is used to make piping for domestic plumbing.[3] Another application is as a comonomer in the production of certain kinds of polyethylene, such as linear low-density polyethylene (LLDPE).[4] It has also been used as a precursor to polypropylene resins, butylene oxide, and butanone.[5]

Manufacturing

But-1-ene 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.[6] It is distilled to give a very high purity product. An estimated 12 billion kilograms were produced in 2011.[7]

References

  1. [1]
    Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. pp. 17, 61, 374. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
  2. [2]
    "1-BUTENE". chemicalland21.com. Retrieved 22 April 2018.
  3. [3]
    Whiteley, Kenneth S.; Heggs, T. Geoffrey; Koch, Hartmut; Mawer, Ralph L.; Immel, Wolfgang (2000). "Polyolefins". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a21_487. ISBN 978-3527306732.
  4. [4]
    Chum, P. Steve; Swogger, Kurt W. (2008). "Olefin polymer technologies—History and Recent Progress at the Dow Chemical Company". Progress in Polymer Science. 33 (8): 797–819. doi:10.1016/j.progpolymsci.2008.05.003.
  5. [5]
    "1-Butene product overview". shell.com. Archived from the original on 2012-02-10. Retrieved 22 April 2018.
  6. [6]
    "Alphabutol process - Big Chemical Encyclopedia". chempedia.info. Archived from the original on 2017-12-08. Retrieved 22 April 2018.
  7. [7]
    Geilen, Frank M.A.; Stochniol, Guido; Peitz, Stephan; Schulte-Koerne, Ekkehard (2014). "Butenes". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a04_483.pub3. ISBN 978-3527306732.
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