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CAS 2795-39-3

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Potassium perfluorooctanesulfonate

Description:
Potassium perfluorooctanesulfonate (PFOS) is a synthetic chemical compound belonging to the class of perfluoroalkyl substances (PFAS). It is characterized by a long carbon chain, specifically an octane backbone, fully fluorinated, with a sulfonate functional group. This structure imparts unique properties, including high thermal stability, resistance to degradation, and hydrophobicity, making it effective in various applications such as surfactants, stain repellents, and firefighting foams. PFOS is known for its persistence in the environment and bioaccumulation in living organisms, raising concerns regarding its potential health effects, including endocrine disruption and developmental toxicity. Regulatory measures have been implemented in several countries to limit its use due to its environmental impact and potential risks to human health. As a potassium salt, it is soluble in water, which contributes to its mobility in aquatic systems. Overall, while PFOS has been valued for its functional properties, its environmental and health implications have led to increased scrutiny and efforts to phase it out in favor of safer alternatives.
Formula:C8HF17O3S·K
InChI:InChI=1S/C8HF17O3S.K/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);
InChI key:InChIKey=QGTQTQBVAMFOGO-UHFFFAOYSA-N
SMILES:C(C(C(C(C(F)(F)F)(F)F)(F)F)(F)F)(C(C(C(S(=O)(=O)O)(F)F)(F)F)(F)F)(F)F.[K]
Synonyms:
  • 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt
  • 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt (1:1)
  • 1-Octanesulfonic acid, heptadecafluoro-, potassium salt
  • Ef 102
  • Eftop EF 102
  • F 110
  • F 116
  • FC 95 surfactant
  • Fc 80
  • Fc-95
  • See more synonyms
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