(2Z)-4-Methylpent-2-ene
CAS 691-38-3
This chemical is not on EPA’s Toxic Substances Control Act inventory, the list behind EPA’s production survey.
Why supply is unknownProduction 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 290129 · basket
These shares come from HS customs code 290129, which covers 108 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Spain
- Ireland
- India
- United Kingdom
- Malaysia
- Dominican Republic
- Mexico
- Switzerland
- Australia
- South Korea
- Turkey
- Portugal
- Morocco
- Guyana
- Poland
- Netherlands
- Belgium
- Slovakia
- Ukraine
Why It Matters
No EPA sector or FDA product records name a use for this chemical.
Chemical Identity
Data Sources
- EPA CompTox (DSSTox) · DTXSID90880651Retrieved 2026-04-29
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
(2Z)-4-Methylpent-2-ene (CAS 691-38-3) https://chemicalindependence.com/chemical/691-38-3/ EPA CompTox (DSSTox): 691-38-3. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID90880651 US Census international trade: HS 290129 for CAS 691-38-3. Reporting year: 2024. https://usatrade.census.gov/