3-Methyl-2-phenylbutanal

CAS 2439-44-3

US productionNot reported

Import value, 2024$106M

Top sourceJapan 33%

This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.

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 291229 · basket

These shares come from HS customs code 291229, which covers 104 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

JP 33%JapanCN 14%ChinaMX 13%MexicoIN 12%IndiaES 9%Spain

Malaysia
Ukraine
Austria
Belgium
Latvia
Netherlands
Brazil
Canada
Singapore

Why It Matters

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

Chemical Identity

CAS2439-44-3

PubChem CIDNot recorded

DTXSIDDTXSID60862944

FormulaC11H14O

Mol. Weight162.232 g/mol

SMILESCC(C)C(C=O)C1=CC=CC=C1

Data Sources

EPA CompTox (DSSTox) · DTXSID60862944Retrieved 2026-04-29
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

3-Methyl-2-phenylbutanal (CAS 2439-44-3) https://chemicalindependence.com/chemical/2439-44-3/ EPA CompTox (DSSTox): 2439-44-3. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID60862944 US Census international trade: HS 291229 for CAS 2439-44-3. Reporting year: 2024. https://usatrade.census.gov/