A perfluoroalkyl substance
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Perfluoropentanesulfonic Acid

Item No. 37253

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
1,1,2,2,3,3,4,4,5,5,5-undecafluoro-1-pentanesulfonic acid
CAS Number
2706-91-4
Synonyms
  • Perfluoro-1-pentanesulfonic Acid
  • PFPeS
Molecular Formula
C5HF11O3S
Formula Weight
350.1
Purity
≥95%
Formulation
A 10 mg/ml solution in ethanol
Solubility(Learn about Variance in Solubility)
Methanol: Soluble
SMILES
O=S(O)(C(F)(C(F)(C(F)(C(F)(C(F)(F)F)F)F)F)F)=O
InChi Code
InChI=1S/C5HF11O3S/c6-1(7,2(8,9)4(12,13)14)3(10,11)5(15,16)20(17,18)19/h(H,17,18,19)
InChi Key
ACEKLXZRZOWKRY-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    1 mg

    $32

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    5 mg

    $128

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    10 mg

    $208

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    25 mg

    $319

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    Cayman Chemical
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    Product Description

    Perfluoropentanesulfonic acid is a perfluoroalkyl substance (PFAS).1,2 It has been found as a contaminant in wastewater and breastmilk.

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Eriksson, U., Haglund, P., and Kärrman, A. Contribution of precursor compounds to the release of per- and polyfluoroalkyl substances (PFASs) from waste water treatment plants (WWTPs). J. Environ. Sci. (China) 61, 80-90 (2017).

    2. Zheng, G., Schreder, E., Dempsey, J.C., et al. Per- and polyfluoroalkyl substances (PFAS) in breast milk: Concerning trends for current-use PFAs. Environ. Sci. Technol. 55(11), 7510-7520 (2021).