Gases (petroleum), extractive, C4-6, isopentene-rich, reaction products with methanol, ether fraction, hydrogenated, cracked, isopentene fraction

CAS 108083-44-9

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.

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

Why It Matters

Sectors

EnergyCore Chemicals

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 2 functional roles.

•Intermediate in All Other Basic Organic Chemical Manufacturing (80%)Processing as a reactant
•Fuels and fuel additives in Petroleum Refineries (20%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS108083-44-9

PubChem CIDNot recorded

DTXSIDDTXSID3029075

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID3029075Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

Gases (petroleum), extractive, C4-6, isopentene-rich, reaction products with methanol, ether fraction, hydrogenated, cracked, isopentene fraction (CAS 108083-44-9) https://chemicalindependence.com/chemical/108083-44-9/ EPA CompTox (DSSTox): DTXSID3029075. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3029075 EPA Chemical Data Reporting: 108083-44-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 108083-44-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting