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Perfluorononanoic acid PFNA

Perfluorinated Chemicals (PFAS)

Perfluorononanoic acid PFNA

PFNA is a synthetic perfluoroalkyl substance (PFAS) used in industrial applications such as stain-resistant coatings and firefighting foams. It is persistent in the environment and bioaccumulative. PFNA is not a food ingredient and is considered a hazardous environmental pollutant.

Tracked contaminantUpdated Aug 28, 2025
Health score-5.0
-5Very bad5

Water guidelines

Legal limit
0.00001 ppm
Health guideline
0.000001 ppm

Food and supplement guidelines

Legal limit
Not specified
Health guideline
Not specified

Risks

Bioaccumulation, toxicity, endocrine disruption, developmental toxicity, liver damage, carcinogenic potential, environmental persistence

Benefits

None