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Ethylene Glycol

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Synonyms

1,2-Ethanediol; Glycol; HOCH2CH2OH

Definition

Ethylene glycol [IUPAC name 1,2-ethanediol] is the simplest dialcohol (or diol). A (toxic) liquid under standard pressure from 197 °C down to −12 °C, its mixture (70–30 %) with water remains liquid down to −51 °C, which explains its use as antifreeze. It is currently produced by reaction of ethylene oxide (oxirane, C2H4O) with water. Ethylene glycol has been found in the interstellar medium toward the galactic center and in comet C/1995 O1 (Hale-Bopp).

History

Detection of ethylene glycol in interstellar matter was rather difficult; it was performed for the first time by Hollis et al. (2002) toward the galactic center. This contrasts with the relative strength of the lines in comet C/1995 O1 (Hale-Bopp), where this molecule was identified in archive spectra as soon as the line frequencies were available (Crovisier et al. 2004). Several conformers of ethylene glycol exist (Hollis et al. 2002), and the astronomical detections prior...

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References and Further Reading

  • Crovisier J, Bockelée-Morvan D, Biver N, Colom P, Despois D, Lis DC (2004) Ethylene glycol in comet C/1995 O1 (Hale-Bopp). Astron Astrophys 418:L35–L38

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  • Hollis JM, Lovas FJ, Jewell PR, Coudert LH (2002) Interstellar antifreeze: ethylene glycol. Astrophys J Lett 571:L59–L62

    Article  ADS  Google Scholar 

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Correspondence to Didier Despois .

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© 2014 Springer-Verlag Berlin Heidelberg

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Despois, D. (2014). Ethylene Glycol. In: Amils, R., et al. Encyclopedia of Astrobiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27833-4_1882-5

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  • DOI: https://doi.org/10.1007/978-3-642-27833-4_1882-5

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Online ISBN: 978-3-642-27833-4

  • eBook Packages: Springer Reference Physics and AstronomyReference Module Physical and Materials ScienceReference Module Chemistry, Materials and Physics

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Chapter history

  1. Latest

    OH)
    Published:
    25 June 2021

    DOI: https://doi.org/10.1007/978-3-642-27833-4_1882-6

  2. Original

    Ethylene Glycol
    Published:
    02 May 2015

    DOI: https://doi.org/10.1007/978-3-642-27833-4_1882-5