Naphtha, petroleum, heavy straight-run

CAS 64741-41-9

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$56.9B

Top sourceCanada 22%

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.

Naphtha, petroleum, heavy straight-run · US import value by year

Peak 2013: $86.2B · 2024: $56.9B · 2025: $47.1B

Where It Comes From

Customs basis: HS 271012, 271019 · basket

EPA reports by year

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

These shares come from HS customs code 271012, 271019, which covers 243 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 22%CanadaKR 8%South KoreaMX 7%MexicoNL 7%NetherlandsIN 5%India

Argentina
Bahrain
Israel
Kazakhstan
Bulgaria
Chile
Denmark
Ecuador
Malaysia
Indonesia
Pakistan
Brunei
Venezuela
Oman
Poland
Gabon
Australia
Greece
Jamaica
Romania
Egypt
Switzerland
Senegal
Hong Kong
Ukraine
Austria
Antigua and Barbuda
El Salvador
Bermuda
Trinidad and Tobago
Dominican Republic
Panama
Latvia
Hungary
South Africa
Costa Rica
Slovakia
Uruguay
Morocco
Estonia
Cyprus
Czech Republic
Barbados
Sri Lanka
Belarus
Ireland

EPA-registered manufacturers (32)

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

Cenovus Energy · CA Canada

Pdvsa Petroleos S A · VE Venezuela

Saudi Arabian Oil · SA Saudi Arabia

Totalenergies Se · FR France

Big West Oil

Show all 32

Buckeye Texas Processing

Chalmette Refining

Chevron Usa

Chs

Delek Us Holdings

Ergon

ExxonMobil

Formosa Plastics Corporation, U.S.A.

Hf Sinclair

Hunt Consolidated

Kern Energy

Kinder Morgan

Lima Refining

Lyondell Chemical

Magellan Processing

Marathon Petroleum

Marathon Petroleum Coporation

Motiva Enterprises

Par Hawaii Refining

Pbf Holding

Pdv Holding

Phillips 66

Placid Refining

Suncor Energy Usa

Superior Refining

Totalenergies Holdings Usa

Wrb Refining

Domestic parents -- activity not disclosed (8)

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

Allegiance Refining

Deer Park Refining

Koch Industries

Martinez Renewables

Show all 8

Port Hamilton Refining And Transportation, Ll

Shell Petroleum

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.

Global Partners

Gunvor 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

Used in 1 sector as 2 functional roles.

•Processing aids, specific to petroleum production in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
•Intermediate in Petroleum Refineries (100%)Processing as a reactant

Chemical Identity

CAS64741-41-9

PubChem CIDNot recorded

DTXSIDDTXSID4028127

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID4028127Retrieved 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

Naphtha, petroleum, heavy straight-run (CAS 64741-41-9) https://chemicalindependence.com/chemical/64741-41-9/ EPA CompTox (DSSTox): DTXSID4028127. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4028127 EPA Chemical Data Reporting: 64741-41-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 64741-41-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 271012,271019 for CAS 64741-41-9. Reporting year: 2024. https://usatrade.census.gov/