trans-beta-Farnesene

CAS 18794-84-8

Companies reported imports and no US production of this chemical to EPA for 2023.

US productionZero

Import value, 2024$246M

Import volume6.5M lb

Import dependency100%

Top sourceCanada 51%

Production is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

trans-beta-Farnesene · US import value by year

Peak 2013: $537M · 2024: $246M · 2025: $281M

Where It Comes From

Customs basis: HS 290129 · basket

EPA reports by year

2023: US production Zero · Imports 6.5M lb
2019: US production Zero · Imports 4.8M lb

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

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

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

Spain
Ireland
India
United Kingdom
Malaysia
Dominican Republic
Mexico
Switzerland
Australia
South Korea
Turkey
Portugal
Morocco
Guyana
Poland
Netherlands
Belgium
Slovakia
Ukraine

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Amyris

Why It Matters

Sectors

Plastics & RubberCore Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

•Intermediate in All Other Basic Organic Chemical Manufacturing (75%)Processing as a reactant
•Monomers in Synthetic Rubber Manufacturing (25%)Processing as a reactant

Chemical Identity

CAS18794-84-8

PubChem CID5281517

DTXSIDDTXSID9047049

FormulaC15H24

Mol. Weight204.35 g/mol

SMILESCC(=CCCC(=CCCC(=C)C=C)C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID9047049Retrieved 2026-04-06
PubChem · compound 5281517Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

trans-beta-Farnesene (CAS 18794-84-8) https://chemicalindependence.com/chemical/18794-84-8/ EPA CompTox (DSSTox): DTXSID9047049. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9047049 PubChem: 5281517. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5281517 EPA Chemical Data Reporting: 18794-84-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 18794-84-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290129 for CAS 18794-84-8. Reporting year: 2024. https://usatrade.census.gov/