(2E)-2-Butene

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

Molecular structure of 624-64-6
US ProductionCBI
Import Value$286K
Top SourceSouth Korea 61%

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 290123 · narrow

These shares come from HS customs code 290123, which covers 5 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
KR 61%South KoreaCN 39%China
EPA-registered manufacturers (4)
Shell · GB United Kingdom
Bridgestone Procurement Holdings Usa
Phillips 66
Shell Chemical

Why It Matters

Sectors
EnergyCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 2 functional roles.

  • •Intermediate in Petrochemical Manufacturing (100%)Processing as a reactant
  • •Fuels and fuel additives in All other Petroleum and Coal Products Manufacturing (100%)Use—non-incorporative activities
  • •Intermediate in Petroleum Refineries (100%)Processing as a reactant

Chemical Identity

CAS624-64-6
PubChem CID62695
DTXSIDDTXSID7027255
FormulaC4H8
Mol. Weight56.11 g/mol
SMILESCC=CC

Data Sources

DTXSID70272552026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

626952026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/62695/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/62695.json

624-64-62026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 624-64-62026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

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