Hydrocarbons, C1-4, debutanizer fraction

CAS 68527-19-5

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.

Top sourceNo public record

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.

Where It Comes From

EPA reports by year

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

EPA-registered manufacturers (10)

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

Pdvsa Petroleos S A · VE Venezuela

Shell Plc · GB United Kingdom

Chs

Delek Us Holdings

Hf Sinclair

Show all 10

Marathon Petroleum

Martinez Refining

Pdv Holding

Phillips 66

Shell Petroleum

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.

ExxonMobil

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

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

Chemical Identity

CAS68527-19-5

PubChem CIDNot recorded

DTXSIDDTXSID4028705

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID4028705Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Hydrocarbons, C1-4, debutanizer fraction (CAS 68527-19-5) https://chemicalindependence.com/chemical/68527-19-5/ EPA CompTox (DSSTox): DTXSID4028705. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4028705 EPA Chemical Data Reporting: 68527-19-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68527-19-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting