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1,3-Undecadien-5-yne

CAS 166432-52-6

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

Molecular structure of 166432-52-6
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

CAS166432-52-6
PubChem CIDNot recorded
DTXSIDDTXSID6051776
FormulaC11H16
Mol. Weight148.249 g/mol
SMILESCCCCCC#C\C=C\C=C

Data Sources

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Brief citations

1,3-Undecadien-5-yne (CAS 166432-52-6) https://chemicalindependence.com/chemical/166432-52-6/ EPA TSCA Inventory: CAS 166432-52-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory