Naphtha, petroleum, arom.-contg.

CAS 68603-08-7

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$324M

Top sourceCanada 19%

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 270750 · basket

EPA reports by year

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

These shares come from HS customs code 270750, which covers 23 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 19%CanadaTR 14%TurkeyKR 11%South KoreaNL 7%NetherlandsKW 7%Kuwait

China
India
Germany
Italy
Ireland

EPA-registered manufacturers (3)

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

ExxonMobil

Neville Chemical

Phillips 66

Domestic parents -- activity not disclosed (4)

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

Ineos Us Petrochem

Koch Industries

Valero Energy

Why It Matters

Sectors

ConstructionPaints & Coatings

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 1 functional role.

•Plasticizer in Asphalt Paving, Roofing, and Coating Materials Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
•Plasticizer in Paint and Coating Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS68603-08-7

PubChem CIDNot recorded

DTXSIDDTXSID1028736

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID1028736Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Naphtha, petroleum, arom.-contg. (CAS 68603-08-7) https://chemicalindependence.com/chemical/68603-08-7/ EPA CompTox (DSSTox): DTXSID1028736. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1028736 EPA Chemical Data Reporting: 68603-08-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68603-08-7. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 270750 for CAS 68603-08-7. Reporting year: 2024. https://usatrade.census.gov/