2,4,4-Trimethyl-1-pentene

CAS 107-39-1

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Import value, 2024$246M

Top sourceCanada 51%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023. 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

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

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

Domestic parents -- activity not disclosed (3)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Brenntag

Sasol Chemicals (Usa)

Valero Energy

EPA-registered importers (2)

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

Brenntag · DE Germany

Brenntag Global Marketing

Why It Matters

Sectors

EnergyMetals & MiningConsumer Products

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 3 sectors as 3 functional roles.

•Flotation agent in Mining (except Oil and Gas) and support activitiesUse—non-incorporative activities
•Intermediate in Petroleum RefineriesProcessing—incorporation into formulation, mixture, or reaction product
•Fuel agents in Wholesale and Retail Trade (17%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.28/gAA BLOCKS

CountryUnited States

Pack$285.00 / 1 kg

Purity95%

Vendors5 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

4 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich (Rush Stock)	Germany	$2.19	100 g	99%
Sigma-Aldrich	Germany	$2.19	100 g	99%
ALFA AESAR	Germany	$2.58	25 g	99%
A2B Chem LLC (1 week)	United States	$7.32	25 g	98%

Chemical Identity

CAS107-39-1

PubChem CID7868

DTXSIDDTXSID4026765

FormulaC8H16

Mol. Weight112.21 g/mol

SMILESCC(=C)CC(C)(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID4026765Retrieved 2026-04-06
PubChem · compound 7868Retrieved 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

2,4,4-Trimethyl-1-pentene (CAS 107-39-1) https://chemicalindependence.com/chemical/107-39-1/ EPA CompTox (DSSTox): DTXSID4026765. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4026765 PubChem: 7868. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7868 EPA Chemical Data Reporting: 107-39-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 107-39-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290129 for CAS 107-39-1. Reporting year: 2024. https://usatrade.census.gov/