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1,3,7-Nonatriene, 4,8-dimethyl-

CAS 51911-82-1

Molecular structure of 51911-82-1
US productionNot reported
Import value, 2024$246M
Top sourceCanada 51%

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 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.

Source Countries
CA 51%CanadaZA 32%South AfricaBR 6%BrazilJP 4%JapanIT 1%Italy

Why It Matters

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

Chemical Identity

CAS51911-82-1
PubChem CIDNot recorded
DTXSIDDTXSID7068685
FormulaC11H18
Mol. Weight150.265 g/mol
SMILESCC(C)=CCCC(C)=CC=C

Data Sources

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Brief citations

1,3,7-Nonatriene, 4,8-dimethyl- (CAS 51911-82-1) https://chemicalindependence.com/chemical/51911-82-1/ EPA TSCA Inventory: CAS 51911-82-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290129 for CAS 51911-82-1. Reporting year: 2024. https://usatrade.census.gov/