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4-Penten-1-one, 1-phenyl-

CAS 3240-29-7

Molecular structure of 3240-29-7
US productionNot reported
Import value, 2024$16M
Top sourceChina 55%

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

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 291439 · basket

These shares come from HS customs code 291439, which covers 86 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 55%ChinaIN 26%IndiaIT 7%ItalyDE 5%GermanyGB 2%United Kingdom

Why It Matters

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

Chemical Identity

CAS3240-29-7
PubChem CIDNot recorded
DTXSIDDTXSID2075396
FormulaC11H12O
Mol. Weight160.216 g/mol
SMILESC=CCCC(=O)C1=CC=CC=C1

Data Sources

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Brief citations

4-Penten-1-one, 1-phenyl- (CAS 3240-29-7) https://chemicalindependence.com/chemical/3240-29-7/ EPA TSCA Inventory: CAS 3240-29-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291439 for CAS 3240-29-7. Reporting year: 2024. https://usatrade.census.gov/