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Substance Name: Phosphonium, tetrabutyl-, 1,1,2,2,3,3,4,4,4-nonafluoro-1-butanesulfonate (1:1)
RN: 220689-12-3

Classification Codes

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

Molecular Formula

  • C16-H36-P.C4-F9-O3-S
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Names and Synonyms


  • EC 444-440-5

Systematic Names

  • Phosphonium, tetrabutyl-, 1,1,2,2,3,3,4,4,4-nonafluoro-1-butanesulfonate (1:1)
  • Phosphonium, tetrabutyl-, salt with 1,1,2,2,3,3,4,4,4-nonafluoro-1-butanesulfonic acid (1:1)
  • Tetrabutyl-phosphonium nonafluoro-butane-1-sulfonate

Registry Numbers

CAS Registry Number

  • 220689-12-3

System Generated Number

  • 0220689123

Molecular Formulas

Molecular Formula

  • C16-H36-P.C4-F9-O3-S

Molecular Formula Fragments

  • C16-H36-P
  • C4-F9-O3-S