(3E)-1,3-Pentadiene

CAS 2004-70-8

Used in 1 industrial sector tracked by the EPA.

US production54.2M lb

Import volumeZero

Import dependency0%

Top sourceNo public record

Production is reported production, not a complete census of factories. 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 290129 · basket

EPA reports by year

2023: US production 54.2M lb · Imports Zero
2019: US production 9.1M lb · Imports Zero

HS customs code 290129 covers 108 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

The Goodyear Tire & Rubber

Why It Matters

Sectors

Plastics & Rubber

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

•Fuels and fuel additives in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$101.33/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$506.63 / 5 g

Purity90%

Vendors9 available

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

8 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$101.33	5 g	90%
A2B Chem LLC	United States	$164.80	5 g	97%
AA BLOCKS	United States	$175.80	5 g	97%
AstaTech, Inc	United States	$198.00	1 g	95%
AstaTech (2 weeks)	United States	$300.00	5 g	97%
Angene International Limited	United States	$368.00	5 g	97%
Aaron Chemicals LLC	Hong Kong	$655.00	200 mg	97%
Angene Chemical	China → Hong Kong	$670.00	200 mg	97%

Chemical Identity

CAS2004-70-8

PubChem CID62204

DTXSIDDTXSID50858710

FormulaC5H8

Mol. Weight68.12 g/mol

SMILESCC=CC=C

Data Sources

EPA CompTox (DSSTox) · DTXSID50858710Retrieved 2026-04-06
PubChem · compound 62204Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

(3E)-1,3-Pentadiene (CAS 2004-70-8) https://chemicalindependence.com/chemical/2004-70-8/ EPA CompTox (DSSTox): DTXSID50858710. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID50858710 PubChem: 62204. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/62204 EPA Chemical Data Reporting: 2004-70-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 2004-70-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting