NEtFOSE (N-ethyl perfluorooctane sulfonamido ethanol)
CAS: 1691-99-2 | Type: organic_pollutant
High Risk (Adults)
Safety Summary
Hazard ProfileKey PFOS precursor used in 3M's Scotchgard fabric protector and food-contact paper treatments. Volatile — off-gases from treated materials. Metabolizes through N-EtFOSAA to PFOS. One of the most important historical consumer PFAS precursors. 3M voluntarily phased out production in 2002 but residual products persist in environment and consumer goods.
Risk (Adults)High
Risk (Children)Very High
Risk (Dogs)Moderate High
Risk (Cats)Moderate High
Regulatory Status
SummaryCalifornia Prop 65 listed
Molecular FormulaC12H10F17NO3S
Molecular Weight571.25
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