Cyclopentene

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

Molecular structure of 142-29-0
US ProductionCBI
Import Value$90M
Top SourceJapan 21%

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 290219 · basket

These shares come from HS customs code 290219, which covers 43 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
JP 21%JapanBR 12%BrazilTW 12%TaiwanKR 11%South KoreaDE 9%Germany

Why It Matters

Sectors
Plastics & RubberCore Chemicals
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant
  • Plasticizer in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$5.96/gA2B Chem LLC (1 week)
CountryUnited States
Pack$149.00 / 25 g
Purity95%
Vendors5 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

4 more vendors
VendorCountry$/gPackPurity
AA BLOCKS (1 week)United States$9.9625 g98%
Labotest KGGermany$217.805000 mg90%
Otava, Ltd.Ukraine$2280.0050 mg95%
Otava, Ltd. (2 weeks)Ukraine$2724.0050 mg95%

Chemical Identity

CAS142-29-0
PubChem CID8882
DTXSIDDTXSID6029171
FormulaC5H8
Mol. Weight68.12 g/mol
SMILESC1CC=CC1

Data Sources

DTXSID60291712026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

88822026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/8882/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/8882.json

142-29-02026-04-24

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

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

CAS 142-29-02026-04-25

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

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