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Perfluoroalkyl(C8-18)ethyl mercaptan

CAS 68140-21-6

Thiols, C10-20, γ-ω-perfluoro

EPA and Census publish no US supply data for this chemical.

Molecular structure of 68140-21-6
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS68140-21-6
PubChem CIDNot recorded
DTXSIDDTXSID90881906
Formula(CF2)1-11C9H5F15S
Mol. WeightNot recorded
SMILESFC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)CCS |lp:0:3,2:3,3:3,5:3,6:3,8:3,9:3,11:3,12:3,14:3,15:3,17:3,18:3,20:3,21:3,23:3,24:3,27:2,Sg:n:24,23,22:1-11:ht|

Data Sources

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Brief citations

Perfluoroalkyl(C8-18)ethyl mercaptan (CAS 68140-21-6) https://chemicalindependence.com/chemical/68140-21-6/ EPA TSCA Inventory: CAS 68140-21-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory