cis-2-Butene

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

Molecular structure of 590-18-1
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 (6)
Basf Se · DE Germany
Shell · GB United Kingdom
Basf
Bridgestone Procurement Holdings Usa
Lion Copolymer Holdings
Show all 6
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 1 functional role.

  • Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
  • Intermediate in Petrochemical Manufacturing (100%)Processing as a reactant
  • Intermediate in Petroleum Refineries (100%)Processing as a reactant

Chemical Identity

CAS590-18-1
PubChem CID5287573
DTXSIDDTXSID0027224
FormulaC4H8
Mol. Weight56.11 g/mol
SMILESCC=CC

Data Sources

DTXSID00272242026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

52875732026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/5287573/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/5287573.json

590-18-12026-04-24

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

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

CAS 590-18-12026-04-25

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

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