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Substance Name: Perfluorosulfonic acid
RN: 31175-20-9

Note

  • Perfluorosulfonated polymer.

Classification Code

  • TSCA Flag XU (Exempt from Reporting under Chemical Data Reporting Rule)

Molecular Formula

  • (C7-H-F13-O5-S.C2-F4)x-

Molecular Weight

  • 544.134
 
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Names and Synonyms

Name of Substance

  • Perfluorosulfonic acid

Synonyms

  • 2-(1-(Difluoro((trifluoroethenyl)oxy)methyl)-1,2,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoroethanesulfonyl fluoride-tetrafl
  • Ethanesulfonic acid, 1,1,2,2-tetrafluoro-2-(1,2,2-trifluoro-1-(trifluoromethyl)-2-((1,2,2-trifluorovinyl)oxy)ethoxy)-, pol
  • Ethanesulfonic acid, 2-(1-(difluoro((trifluoroethenyl)oxy)methyl)-1,2,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoro-, polymer
  • Nafion
  • Perfluoro(2-(2-sulfonylethoxy)propyl vinyl ether)-tetrafluoroethylene copolymer
  • Tetrafluoroethylene-perfluoro(2-(2-sulfonylethoxy)propyl vinyl ether) copolymer

Systematic Names

  • Ethanesulfonic acid, 2-(1-(difluoro((1,2,2-trifluoroethenyl)oxy)methyl)-1,2,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoro-, polymer with 1,1,2,2-tetrafluoroethene
  • Ethanesulfonic acid, 2-(1-(difluoro((trifluoroethenyl)oxy)methyl)-1,2,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoro-, polymer with tetrafluoroethene
  • Nafion

Superlist Name

  • Poly(perfluoro-3,6-dioxa-4-methyl-7-octenesulfonic acid-co-tetrafluoroethene)

Registry Numbers

CAS Registry Number

  • 31175-20-9

Other Registry Numbers

  • 146167-73-9
  • 178274-41-4
  • 263721-44-4
  • 39464-59-0
  • 92308-23-1

System Generated Number

  • 0031175209

Molecular Formulas

Molecular Formula

  • (C7-H-F13-O5-S.C2-F4)x-

Molecular Formula Fragments

  • C2-F4
  • C7-H-F13-O5-S
  • COMPONENT

Structure Descriptors

Smiles

O([C@@](C(F)(F)O\C(=C(\F)F)F)(C(F)(F)F)F)C(C(S(O)(=O)=O)(F)F)(F)F.C(=C(\F)F)(\F)F