![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/b/b0/Perfluorooctanesulfonyl-fluoride-3D-spacefill.png/640px-Perfluorooctanesulfonyl-fluoride-3D-spacefill.png&w=640&q=50)
Perfluorooctanesulfonyl fluoride
Chemical compound / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Perfluorooctanesulfonyl fluoride?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Perfluorooctanesulfonyl fluoride (POSF) is a synthetic perfluorinated compound with a sulfonyl fluoride functional group. It is used to make perfluorooctanesulfonic acid (PFOS) and PFOS-based compounds. These compounds have a variety of industrial and consumer uses, but POSF-derived substances ultimately degrade to form PFOS.
Quick Facts Names, Identifiers ...
![]() | |
![]() | |
Names | |
---|---|
Preferred IUPAC name
1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-Heptadecafluorooctane-1-sulfonyl fluoride | |
Identifiers | |
| |
3D model (JSmol) |
|
Abbreviations | POSF, PFOSF |
ChemSpider |
|
ECHA InfoCard | 100.005.638 ![]() |
EC Number |
|
PubChem CID |
|
UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
Properties | |
C8F18O2S | |
Molar mass | 502.12 g/mol |
Boiling point | 154 °C (309 °F; 427 K)[1] |
Related compounds | |
Related compounds |
Perfluorooctanesulfonic acid (PFOS), Perfluorooctanesulfonamide (PFOSA), Perfluorooctanoic acid (PFOA), Perfluorobutanesulfonic acid (PFBS) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Close
Because of environmental concerns over PFOS, 3M ceased POSF use in 2002 and global production plummeted. However, Chinese production grew after 3M's phaseout. As of May 2009, POSF and PFOS are listed as persistent organic pollutants (POPs) included in Annex B of the Stockholm Convention.