Gases, petroleum, catalytic-cracked gas oil depropanizer bottoms, C4-rich acid-free

CAS 68477-71-4

U.S. production volumes are classified as confidential business information.

Molecular structure of 68477-71-4
US productionCBI
Import value, 2024$1.1B
Import volumeZero
Top sourceCanada 94%

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 271113, 271114, 271119, 271129 · basket

EPA reports by year
2023
US production Confidential · Imports Zero
2019
US production Confidential · Imports Zero

These shares come from HS customs code 271113, 271114, 271119, 271129, which covers 126 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 94%CanadaKR 2%South KoreaCL 2%Chile
EPA-registered manufacturers (2)
Delek Us Holdings
Hf Sinclair

Why It Matters

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

Chemical Identity

CAS68477-71-4
PubChem CIDNot recorded
DTXSIDDTXSID2028567
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

Brief citations

Gases, petroleum, catalytic-cracked gas oil depropanizer bottoms, C4-rich acid-free (CAS 68477-71-4) https://chemicalindependence.com/chemical/68477-71-4/ EPA CompTox (DSSTox): DTXSID2028567. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2028567 EPA Chemical Data Reporting: 68477-71-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 271113,271114,271119,271129 for CAS 68477-71-4. Reporting year: 2024. https://usatrade.census.gov/