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Hexanal, 2-ethylidene-

CAS 25409-08-9

Molecular structure of 25409-08-9
US productionNot reported
Import value, 2024$90M
Top sourceGermany 34%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

Why supply is unknown

Production is reported production, not a complete census of factories. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 291219 · basket

These shares come from HS customs code 291219, which covers 130 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
DE 34%GermanyCN 29%ChinaIN 13%IndiaIT 8%ItalyGB 4%United Kingdom

Why It Matters

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

Chemical Identity

CAS25409-08-9
PubChem CIDNot recorded
DTXSIDDTXSID80865215
FormulaC8H14O
Mol. Weight126.199 g/mol
SMILESCCCCC(=CC)C=O

Data Sources

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Brief citations

Hexanal, 2-ethylidene- (CAS 25409-08-9) https://chemicalindependence.com/chemical/25409-08-9/ EPA CompTox (DSSTox): 25409-08-9. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID80865215 EPA TSCA Inventory: CAS 25409-08-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291219 for CAS 25409-08-9. Reporting year: 2024. https://usatrade.census.gov/