2,3-Dimethylbutane

CAS 79-29-8

Used in 2 industrial sectors tracked by the EPA.

US production69.0M lb

Import value, 2024$917M

Import volumeCBI

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

Top sourceCanada 95%

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. 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 290110 · basket

EPA reports by year

2023: US production 69.0M lb · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290110, which covers 58 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 95%CanadaDE 2%GermanyBR 1%BrazilKR 1%South Korea

China
Spain
Italy
Japan
Israel
Malaysia
United Kingdom
Austria
Portugal
India
Poland
Netherlands
Turkey
Switzerland
Belgium
Greece
Sweden

EPA-registered manufacturers (1)

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

Chevron

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.

The Sherwin Williams

Why It Matters

Sectors

EnergyCore 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 Petroleum Refineries (100%)Processing as a reactant
•Solvent in All Other Chemical Product and Preparation Manufacturing (2%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$1.44/gCombi-Blocks, Inc.

CountryUnited States

Pack$720.00 / 500 g

Purity98%

Vendors5 available

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

4 more vendors

Vendor	Country	$/g	Pack	Purity
ALFA AESAR	Germany	$1.45	100 g	99%
A2B Chem LLC	United States	$1.53	500 g	98%
AA BLOCKS	United States	$1.61	500 g	98%
Labotest KG	Germany	$217.80	5000 mg	90%

Chemical Identity

CAS79-29-8

PubChem CID6589

DTXSIDDTXSID9025112

FormulaC6H14

Mol. Weight86.18 g/mol

SMILESCC(C)C(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID9025112Retrieved 2026-04-06
PubChem · compound 6589Retrieved 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

← Back to Dashboard ← Back to Energy

Brief citations

2,3-Dimethylbutane (CAS 79-29-8) https://chemicalindependence.com/chemical/79-29-8/ EPA CompTox (DSSTox): DTXSID9025112. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9025112 PubChem: 6589. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6589 EPA Chemical Data Reporting: 79-29-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 79-29-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290110 for CAS 79-29-8. Reporting year: 2024. https://usatrade.census.gov/