FRD-903

FRD-903 or hexafluoropropylene oxide dimer acid (HFPO-DA) (chemical name 2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoic acid) is a chemical compound that is used in the GenX process. It is not biodegradable and is not hydrolysed by water.[1][2]

FRD-903
Names
IUPAC name
2,3,3,3-Tetrafluoro-2-(heptafluoropropoxy)propanoic acid
Other names
Perfluoro-2-propoxypropanoic acid, hexafluoropropylene oxide dimer acid (HFPO-DA)
Identifiers
3D model (JSmol)
ECHA InfoCard 100.032.928
EC Number
  • 236-236-8
Properties
C6HF11O3
Molar mass 330.053 g·mol−1
Acidity (pKa) 3.82
Hazards
GHS hazard statements
H302, H314, H318, H335
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The ammonium carboxylate salt is FRD-902, ammonium (2,3,3,3-tetrafluoro-2-(heptafluoropropoxy)propanoate) which is the specific chemical which Chemours has trademarked as GenX.

References

  1. "Justification for the selection of a substance for CoRAP inclusion". Retrieved 23 July 2017.
  2. Beekman, M.; et al. (2016-12-12). "Evaluation of substances used in the GenX technology by Chemours, Dordrecht". National Institute for Public Health and the Environment (RIVM, The Netherlands). Retrieved 2017-07-23.


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