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CAS 29420-49-3

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Potassium perfluorobutanesulfonate

Description:
Potassium perfluorobutanesulfonate (PFBS) is a perfluoroalkyl sulfonate compound characterized by its fully fluorinated carbon chain, which imparts unique properties such as high thermal stability and resistance to degradation. It is a potassium salt of perfluorobutanesulfonic acid, featuring a four-carbon perfluorinated chain attached to a sulfonate group. PFBS is known for its surfactant properties, making it useful in various applications, including as a wetting agent and in the formulation of firefighting foams. Due to its perfluorinated nature, PFBS exhibits low surface tension and excellent water and oil repellency. However, it is also associated with environmental persistence and potential bioaccumulation, raising concerns regarding its impact on human health and ecosystems. Regulatory scrutiny has increased around PFBS and similar compounds, leading to efforts to assess their safety and environmental effects. Overall, while PFBS has beneficial industrial applications, its environmental profile necessitates careful management and consideration in its use.
Formula:C4HF9O3S·K
InChI:InChI=1S/C4HF9O3S.K/c5-1(6,3(9,10)11)2(7,8)4(12,13)17(14,15)16;/h(H,14,15,16);
InChI key:InChIKey=HNXDYNVXCUCKMS-UHFFFAOYSA-N
SMILES:C(C(C(F)(F)F)(F)F)(C(S(=O)(=O)O)(F)F)(F)F.[K]
Synonyms:
  • 1-Butanesulfonic Acid, 1,1,2,2,3,3,4,4,4-Nonafluoro-, Potassium Salt
  • 1-Butanesulfonic acid, 1,1,2,2,3,3,4,4,4-nonafluoro-, potassium salt (1:1)
  • 1-[(trifluoromethyl)sulfonyl]-1H-imidazole
  • Bayowet C 4
  • Bayowet C 4TP-AC2001
  • Biowet C 4
  • Chemguard 411
  • Ef 42
  • Eftop KFBS
  • F 114
  • See more synonyms
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