Hydrocarbons, C3-5, butadiene purifn. by-product
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$47M
Top SourceChile 37%
The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.
Where It Comes From
Customs basis: HS 271129 · basket
These shares come from HS customs code 271129, which covers 90 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2023).
CL 37%ChileCA 32%CanadaKR 9%South KoreaGB 2%United KingdomCZ 1%Czech Republic
- Poland
- Guyana
- United Arab Emirates
- Turkey
- Germany
- Ireland
- Netherlands
- Belgium
- Trinidad and Tobago
- Japan
EPA-registered manufacturers (2)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
ExxonMobil
Tpc Group
EPA-registered importers (1)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Tpc Group
Why It Matters
No data available
Chemical Identity
CAS68606-31-5
PubChem CIDNo data available
DTXSIDDTXSID4028755
FormulaNo data available
Mol. WeightNo data available
SMILESNo data available
Data Sources
DTXSID40287552026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
68606-31-52026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv