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Isomethylpseudoionone

CAS 1117-41-5

3,5,9-Undecatrien-2-one, 3,6,10-trimethyl-

Molecular structure of 1117-41-5
US productionNot reported
Import value, 2024$39M
Top sourceChina 33%

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 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

CAS1117-41-5
PubChem CIDNot recorded
DTXSIDDTXSID0051576
FormulaC14H22O
Mol. Weight206.329 g/mol
SMILESCC(C)=CCCC(C)=CC=C(C)C(C)=O

Data Sources

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Brief citations

Isomethylpseudoionone (CAS 1117-41-5) https://chemicalindependence.com/chemical/1117-41-5/ EPA TSCA Inventory: CAS 1117-41-5. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 291419 for CAS 1117-41-5. Reporting year: 2024. https://usatrade.census.gov/