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1,3-Cyclohexadiene, 2-methyl-

CAS 1489-57-2

Molecular structure of 1489-57-2
US productionNot reported
Import value, 2024$90M
Top sourceJapan 21%

EPA lists this chemical as inactive, meaning no company reported making, importing or processing it in the US from 2006 to 2016.

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 290219 · basket

These shares come from HS customs code 290219, which covers 108 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
JP 21%JapanBR 12%BrazilTW 12%TaiwanKR 11%South KoreaDE 9%Germany

Why It Matters

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

Chemical Identity

CAS1489-57-2
PubChem CIDNot recorded
DTXSIDDTXSID7061726
FormulaC7H10
Mol. Weight94.157 g/mol
SMILESCC1=CCCC=C1

Data Sources

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Brief citations

1,3-Cyclohexadiene, 2-methyl- (CAS 1489-57-2) https://chemicalindependence.com/chemical/1489-57-2/ EPA CompTox (DSSTox): 1489-57-2. Retrieved 2026-04-29. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7061726 EPA TSCA Inventory: CAS 1489-57-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290219 for CAS 1489-57-2. Reporting year: 2024. https://usatrade.census.gov/