Isooctane

CAS 26635-64-3

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

US productionZero

Import value, 2024$917M

Import volume57.0M lb

Import dependency100%

Top sourceCanada 95%

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.

Isooctane · US import value by year

2013: $590M · Peak 2022: $957M · 2024: $917M · 2025: $808M

Where It Comes From

Customs basis: HS 290110 · basket

EPA reports by year

2023: US production Zero · Imports 57.0M lb

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 importers (1)

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

Chevron Usa

Why It Matters

Sectors

Energy

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

•Fuel in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.25/gCombi-Blocks, Inc.

CountryUnited States

Pack$250.00 / 1 kg

Purity98%

Vendors2 available

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

1 more vendor

Vendor	Country	$/g	Pack	Purity
Labotest KG	Germany	$217.80	5000 mg	90%

Chemical Identity

CAS26635-64-3

PubChem CIDNot recorded

DTXSIDDTXSID001014462

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

Isooctane (CAS 26635-64-3) https://chemicalindependence.com/chemical/26635-64-3/ EPA TSCA Inventory: CAS 26635-64-3. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 26635-64-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 26635-64-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290110 for CAS 26635-64-3. Reporting year: 2024. https://usatrade.census.gov/