Fluoroether E-1 Explained

Fluoroether E-1 (known chemically as heptafluoropropyl 1,2,2,2-tetrafluoroethyl ether, is a chemical compound that is among the class of per- and polyfluoroalkyl substances (PFAS). This synthetic fluorochemical is used in the GenX process, and may arise from the degradation of GenX chemicals including FRD-903.[1] [2]

Production

The main production of Fluoroether E-1 is within the GenX process where FRD-903 (2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) is used to generate (FRD-902) ammonium 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoate, and Fluoroether E-1 (heptafluoropropyl 1,2,2,2-tetrafluoroethyl ether).[3]

Properties

Fluoroether E-1 is a colorless liquid that is practically insoluble in water. It is volatile and has a low boiling point.[4]

Notes and References

  1. Zhang . Chuhui . McElroy . Amie C. . Liberatore . Hannah K. . Alexander . Nancy Lee M. . Knappe . Detlef R.U. . 2022-05-17 . Stability of Per- and Polyfluoroalkyl Substances in Solvents Relevant to Environmental and Toxicological Analysis . Environmental Science & Technology . 56 . 10 . 6103–6112 . 10.1021/acs.est.1c03979 . 0013-936X . 9065217 . 34734715.
  2. Wickersham . Lindsay . Characterization of PFAS air emissions from thermal application of fluoropolymer dispersions on fabrics . Journal of the Air & Waste Management Association . 10 March 2023 . 73 . 7 . 533-552 . 10.1080/10962247.2023.2192009 . 11 December 2023. 10628852 .
  3. Web site: 2015-09-15 . Antwoord van Gedeputeerde Staten op vragen van W.A. Minderhout (PvdA) . Answer from the Provincial Executive to questions from W.A. Minderhout (PvdA) . dead . https://web.archive.org/web/20180208165313/https://www.ozhz.nl/fileadmin/user_upload/2016-02-09_Brief_gedeputeerde_Janssen_en_beantwoording_vragen_BenW_Sliedrecht_over_historische_PFOA-emissies_Chemours_voorheen_Dupont_de_Nemours_bijlagen__nazending_2_.pdf . 2018-02-08 . 2023-09-15 . Provincie Holland Zuid . Dutch.
  4. Web site: 2023-10-07 . Heptafluoropropyl 1,2,2,2-tetrafluoroethyl ether . 2023-09-15 . Apollo Scientific.

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