Butane
CAS 106-97-8
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, 2024$1.6B
Top sourceCanada 96%
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction 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, 290110 · basket
EPA reports by year
- 2023
- US production Confidential · Imports Confidential
- 2019
- US production Confidential · Imports Confidential
These shares come from HS customs code 271113, 290110, which covers 72 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
Source Countries
Country of origin for US imports, from Census customs data (2024).
CA 96%CanadaKR 2%South KoreaDE 1%GermanyBR 1%Brazil
- China
- Spain
- Italy
- Japan
- Israel
- United Kingdom
- Malaysia
- Austria
- United Arab Emirates
- Portugal
- India
- Netherlands
- Turkey
- Poland
- Philippines
- Sweden
- Switzerland
- Belgium
- Greece
- Guyana
- Ireland
EPA-registered manufacturers (62)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Cenovus Energy · CA Canada
Pdvsa Petroleos S A · VE Venezuela
Shell Plc · GB United Kingdom
Shin-Etsu Chemical · JP Japan
Steel Reef Infrastructure · CA Canada
Show all 62
Aux Sable Liquid Products
Berkshire Hathaway
Blue Racer Midstream
Buckeye Texas Processing
California Resources
Calumet Refining
Cenovus U.S
Chevron
Chevron Phiillips Chemical
Chevron Richmond California Refinery
Chs
Countrymark
Cvr Energy
Deer Park Refining
Delek Us Holdings
Delta Air Lines
Energy Transfer
Energy Transfer Gc Mont Belvieu Fractionators
Enterprise Products Operating
Et Gathering And Processing
ExxonMobil
Formosa Plastics Corporation, U.S.A.
Gulf Coast Growth Ventures
Hep Javelina
Hf Sinclair
Hf Sinclair Parco Refining
Hunt Consolidated
Kinder Morgan
Lambda Energy Resouces
Lima Refining
Lyondell Chemical
Magellan Processing
Marathon Petroleum
Marathon Petroleum Coporation
Martinez Refining
Mplx
Next Wave Energy Partners
Oneok
Par Hawaii Refining
Par Pacific Holdings
Pbf Holding
Pdv Holding
Phillips 66
Placid Refining
Shell Petroleum
Shintech Louisiana
Steel Reef Burke
Superior Refining
Targa Resources
The Williams Companies
Trafigura Commodities Marketing
Trafigura Trading
True Oil
United Refining
Vertex Energy- Mobile Refinery
Wrb Refining
Xto Energy
Domestic parents -- activity not disclosed (9)
EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.
Albemarle
Arlanxeo Usa Llc-Hq
BP
Koch Industries
Martinez Renewables
Show all 9
Mercedes Benz U.S
Plains All American Pipeline
Shell
Valero Energy
EPA-registered importers (13)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Irving Oil · CA Canada
Pembina Pipeline · CA Canada
Shell Plc · GB United Kingdom
Dollar General Cdr
Gunvor Usa
Show all 13
Ies Downstream
Irving Oil Energy
Mie
Pembina Midstream (Usa)
S.C. Johnson & Son
Solenis
Spray Planet
Tartan Oil
Why It Matters
Sectors
AgricultureEnergyTransportationMetals & MiningPlastics & RubberConsumer ProductsCore 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 13 sectors as 7 functional roles.
- •Fuel agents in Petroleum Refineries (100%)Processing as a reactant
- •Intermediate in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Fuel in All other Petroleum and Coal Products Manufacturing (100%)Processing as a reactant
- •Intermediate in Petrochemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Fuel in Petroleum Refineries (30%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant
- •Fuel in Wholesale and Retail TradeProcessing—repackaging
- •Fuel agents in Petrochemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Fuel in Industrial Gas ManufacturingProcessing—repackaging
- •Intermediate in Plastics Material and Resin Manufacturing (100%)Processing as a reactant
- •Fuel agents in Wholesale and Retail Trade (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Fuel agents in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Synthetic Rubber Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Abrasives in Agriculture, Forestry, Fishing and Hunting (50%)Processing—incorporation into formulation, mixture, or reaction product
- •Fuel in Miscellaneous Manufacturing (5%)Processing as a reactant
- •Fuel agents in All other Petroleum and Coal Products Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Fuel agents in Other (20%)Processing—incorporation into formulation, mixture, or reaction product
- •Propellants, non-motive (blowing agents) in Industrial Gas ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Propellants, non-motive (blowing agents) in Wholesale and Retail Trade (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Wholesale and Retail TradeProcessing—repackaging
- •Fuels and fuel additives in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Sealant (barrier) in Transportation Equipment Manufacturing (100%)Processing—incorporation into article
- •Fuel agents in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
Chemical Identity
CAS106-97-8
PubChem CID7843
DTXSIDDTXSID7024665
FormulaC4H10
Mol. Weight58.12 g/mol
SMILESCCCC
Data Sources
- EPA CompTox (DSSTox) · DTXSID7024665Retrieved 2026-04-06
- PubChem · compound 7843Retrieved 2026-04-06
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Butane (CAS 106-97-8) https://chemicalindependence.com/chemical/106-97-8/ EPA CompTox (DSSTox): DTXSID7024665. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7024665 PubChem: 7843. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7843 EPA Chemical Data Reporting: 106-97-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 106-97-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 271113,290110 for CAS 106-97-8. Reporting year: 2024. https://usatrade.census.gov/