Hydrocarbons, C3-4-rich, petroleum distillates

CAS 68512-91-4

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$67M

Top sourceCanada 91%

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 271119 · basket

EPA reports by year

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

These shares come from HS customs code 271119, which covers 40 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 91%CanadaKR 7%South KoreaIT 1%Italy

Taiwan
Trinidad and Tobago
Netherlands
China
Germany
Qatar
Switzerland

EPA-registered manufacturers (7)

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

Chs

Delek Us Holdings

Kinder Morgan

Marathon Petroleum

Par Hawaii Refining

Show all 7

Phillips 66

The International Group

Domestic parents -- activity not disclosed (1)

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

Martinez Renewables

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS68512-91-4

PubChem CIDNot recorded

DTXSIDDTXSID4028624

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID4028624Retrieved 2026-04-06
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

Hydrocarbons, C3-4-rich, petroleum distillates (CAS 68512-91-4) https://chemicalindependence.com/chemical/68512-91-4/ EPA CompTox (DSSTox): DTXSID4028624. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4028624 EPA Chemical Data Reporting: 68512-91-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 271119 for CAS 68512-91-4. Reporting year: 2024. https://usatrade.census.gov/