A perfluoroalkyl substance
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2-(N-Ethylperfluorooctanesulfonamido)acetic Acid

Item No. 37363

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
N-ethyl-N-[(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctyl)sulfonyl]-glycine
CAS Number
2991-50-6
Synonyms
  • EtFOSAA
  • N-Ethylperfluorooctanesulfonamidoacetate
  • Et-PFOSA-AcOH
Molecular Formula
C12H8F17NO4S
Formula Weight
585.2
Purity
≥95%
Formulation
A solid
Solubility(Learn about Variance in Solubility)
DMF: 2 mg/mlDMSO: 2 mg/ml
SMILES
O=C(CN(S(=O)(C(F)(C(F)(C(F)(C(F)(C(F)(C(F)(C(F)(C(F)(F)F)F)F)F)F)F)F)F)=O)CC)O
InChi Code
InChI=1S/C12H8F17NO4S/c1-2-30(3-4(31)32)35(33,34)12(28,29)10(23,24)8(19,20)6(15,16)5(13,14)7(17,18)9(21,22)11(25,26)27/h2-3H2,1H3,(H,31,32)
InChi Key
CKRXVVGETMYFIO-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    5 mg

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    50 mg

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    Product Description

    2-(N-Ethylperfluorooctanesulfonamido)acetic acid (Et-PFOSA-AcOH) is a perfluoroalkyl substance (PFAS).1 It has been found as a contaminant in wastewater samples. Et-PFOSA-AcOH is associated with decreased plasma levels of maternal and fetal free thyroxine (T4).2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Worley, R.R., Moore, S.M., Tierney, B.C., et al. Per- and polyfluoroalkyl substances in human serum and urine samples from a residentially exposed community. Environ. Int. 106, 135-143 (2017).

    2. Rickard, B.P., Rizvi, I., and Fenton, S.E. Per- and poly-fluoroalkyl substances (PFAS) and female reproductive outcomes: PFAS elimination, endocrine-mediated effects, and disease. Toxicology 465:153031, (2022).