2-Ethyl-1-butanol

2-Ethyl-1-butanol

2-Ethyl-1-butanol

Chemical compound

2-Ethyl-1-butanol (IUPAC name: 2-ethylbutan-1-ol) is an organic chemical compound. It can be used to facilitate the separation of ethanol from water, which forms an azeotrope that otherwise limits the maximum ethanol concentration.[2]

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Reactions

2-Ethyl-1-butanol is manufactured industrially by the aldol condensation of acetaldehyde and butyraldehyde, followed by hydrogenation.[3] It may also be prepared by the Guerbet reaction.

Properties and applications

The branching in 2-ethyl-1-butanol makes it harder to crystallize due to packing disruption, which results in a very low freezing point. Esters of 2-ethyl-1-butanol are similarly effected and it therefore finds application as a feedstock in the production of plasticizers and lubricants, where its presence helps reduce viscosity and lower freezing points.

See also

References

  1. [1]
    Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, Florida: CRC Press, pp. 3–262, 8–106, 15–20, ISBN 978-0-8493-0594-8
  2. [2]
    Roddy, James W. (1981). "Distribution of ethanol-water mixtures to organic liquids". Ind. Eng. Chem. Proc. Des. Dev. 20 (1): 104–108. doi:10.1021/i200012a016.
  3. [3]
    McKetta, John J.; Cunningham, William Aaron (1994), Encyclopedia of Chemical Processing and Design, vol. 47, Boca Raton, Florida: CRC Press, p. 117, ISBN 978-0-8247-2451-1, retrieved 2010-01-25
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