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Tail gas, petroleum, propane-propylene alkylation feed prep deethanizer

CAS 68308-11-2

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

Molecular structure of 68308-11-2
US productionCBI
Import value, 2024$114M
Top sourceCanada 67%

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, 271129 · basket

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

These shares come from HS customs code 271119, 271129, which covers 118 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 67%CanadaCL 15%ChileKR 8%South KoreaIT 1%ItalyGB 1%United Kingdom
Domestic parents -- activity not disclosed (1)
Valero Energy

Why It Matters

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

Chemical Identity

CAS68308-11-2
PubChem CIDNot recorded
DTXSIDDTXSID2028432
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

Tail gas, petroleum, propane-propylene alkylation feed prep deethanizer (CAS 68308-11-2) https://chemicalindependence.com/chemical/68308-11-2/ EPA CompTox (DSSTox): DTXSID2028432. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2028432 EPA Chemical Data Reporting: 68308-11-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 271119,271129 for CAS 68308-11-2. Reporting year: 2024. https://usatrade.census.gov/