Propyl isobutyrate

CAS 644-49-5

US productionNot reported

Import value, 2024$63M

Top sourceChina 22%

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 291560 · basket

These shares come from HS customs code 291560, which covers 183 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).

CN 22%ChinaDE 19%GermanySE 14%SwedenJP 13%JapanIN 9%India

Ireland
South Korea
United Arab Emirates
Russia
Ukraine
Israel
Brazil
Canada

Why It Matters

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

Chemical Identity

CAS644-49-5

PubChem CIDNot recorded

DTXSIDDTXSID30214653

FormulaC7H14O2

Mol. Weight130.187 g/mol

SMILESCCCOC(=O)C(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID30214653Retrieved 2026-04-29
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

← Back to Dashboard

Brief citations

Propyl isobutyrate (CAS 644-49-5) https://chemicalindependence.com/chemical/644-49-5/ EPA CompTox (DSSTox): 644-49-5. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID30214653 US Census international trade: HS 291560 for CAS 644-49-5. Reporting year: 2024. https://usatrade.census.gov/