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9,11-Octadecadienoic acid

CAS 1839-11-8

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

Molecular structure of 1839-11-8
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

CAS1839-11-8
PubChem CIDNot recorded
DTXSIDDTXSID6041006
FormulaC18H32O2
Mol. Weight280.452 g/mol
SMILESCCCCCCC=CC=CCCCCCCCC(O)=O

Data Sources

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Brief citations

9,11-Octadecadienoic acid (CAS 1839-11-8) https://chemicalindependence.com/chemical/1839-11-8/ EPA TSCA Inventory: CAS 1839-11-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory