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Substance Name: Perfluorooctane sulfonic acid
RN: 1763-23-1
UNII: 9H2MAI21CL
InChIKey: YFSUTJLHUFNCNZ-UHFFFAOYSA-N

Classification Code

  • TSCA Flag S (Substance is Identified in a Proposed or Final SNUR (Significant New Use Rule) under TSCA)

Molecular Formula

  • C8-H-F17-O3-S

Molecular Weight

  • 500.1249
 
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Names and Synonyms

Name of Substance

  • Perfluorooctane sulfonic acid

Synonyms

  • 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-Heptadecafluoro-1-octanesulfonic acid
  • 1-Perfluorooctanesulfonic acid
  • EF 101
  • Eftop EF 101
  • EINECS 217-179-8
  • Heptadecafluoro-1-octanesulfonic acid
  • Heptadecafluorooctane-1-sulphonic acid
  • HSDB 7099
  • Perfluorooctane sulfonate
  • Perfluorooctane sulfonic acid
  • Perfluorooctanesulfonic acid
  • Perfluorooctylsulfonic acid
  • PFOS
  • UNII-9H2MAI21CL

Systematic Names

  • 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-
  • Heptadecafluorooctane-1-sulphonic acid

Registry Numbers

CAS Registry Number

  • 1763-23-1

FDA UNII

  • 9H2MAI21CL

Other Registry Number

  • 132324-11-9

System Generated Number

  • 0001763231

Structure Descriptors

InChI

1S/C8HF17O3S/c9-1(10,3(13,14)5(17,18)7(21,22)23)2(11,12)4(15,16)6(19,20)8(24,25)29(26,27)28/h(H,26,27,28)

InChIKey

YFSUTJLHUFNCNZ-UHFFFAOYSA-N

Smiles

C(C(C(C(C(F)(F)S(=O)(=O)O)(F)F)(F)F)(F)F)(C(C(C(F)(F)F)(F)F)(F)F)(F)F