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Heptene

CAS 25339-56-4

Molecular structure of 25339-56-4
US productionNot reported
Import value, 2024$246M
Top sourceCanada 51%

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

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

These shares come from HS customs code 290129, which covers 108 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 51%CanadaZA 32%South AfricaBR 6%BrazilJP 4%JapanIT 1%Italy

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Vendor Pricing

$2.55/gCombi-Blocks, Inc.
CountryUnited States
Pack$255.00 / 100 g
Purity98%
Vendors7 available

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

6 more vendors
VendorCountry$/gPackPurity
AA BLOCKSUnited States$2.90100 g98%
A2B Chem LLC (1 week)United States$9.6010 g95%
Sigma-Aldrich (Rush Stock)Germany$26.385 g99%
Sigma-AldrichGermany$26.385 g99%
Labotest KGGermany$217.805000 mg90%
Fluorochem UKUnited Kingdom$1331.331 g97%

Chemical Identity

CAS25339-56-4
PubChem CIDNot recorded
DTXSIDDTXSID9027865
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

Heptene (CAS 25339-56-4) https://chemicalindependence.com/chemical/25339-56-4/ EPA TSCA Inventory: CAS 25339-56-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory US Census international trade: HS 290129 for CAS 25339-56-4. Reporting year: 2024. https://usatrade.census.gov/