Methyl-1,3-cyclopentadiene

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

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

Core Chemicals

Downstream UsesNo data available

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

•Intermediate in All Other Basic Organic Chemical ManufacturingProcessing as a reactant

Vendor Pricing

$6.01/gAaron Chemicals LLC

CountryHong Kong

Pack$3007.00 / 500 g

Purity95%

Vendors1 available

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

Chemical Identity

CAS26519-91-5

PubChem CID66775

DTXSIDDTXSID0067216

FormulaC6H8

Mol. Weight80.13 g/mol

SMILESCC1=CC=CC1

Data Sources

DTXSID00672162026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

667752026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/66775/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/66775.json

26519-91-52026-04-24

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

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

CAS 26519-91-52026-04-25

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

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

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