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5-Nonen-2-one

CAS 27039-84-5

Molecular structure of 27039-84-5
US productionNot reported
Import value, 2024$39M
Top sourceChina 33%

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 291419 · basket

These shares come from HS customs code 291419, which covers 131 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 33%ChinaDE 29%GermanyIN 26%IndiaGB 3%United KingdomJP 2%Japan

Why It Matters

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

Chemical Identity

CAS27039-84-5
PubChem CIDNot recorded
DTXSIDDTXSID9067275
FormulaC9H16O
Mol. Weight140.226 g/mol
SMILESCCCC=CCCC(C)=O

Data Sources

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Brief citations

5-Nonen-2-one (CAS 27039-84-5) https://chemicalindependence.com/chemical/27039-84-5/ EPA CompTox (DSSTox): 27039-84-5. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9067275 EPA TSCA Inventory: CAS 27039-84-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291419 for CAS 27039-84-5. Reporting year: 2024. https://usatrade.census.gov/