(2E)-2-Hexenal

CAS 6728-26-3

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$90M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceGermany 34%

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

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 291219 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 291219, which covers 130 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

DE 34%GermanyCN 29%ChinaIN 13%IndiaIT 8%ItalyGB 4%United Kingdom

Brazil
Portugal
Austria
Hungary
Sweden
Philippines
Singapore
Netherlands
Indonesia
Australia
Slovakia
Romania
Ukraine
Hong Kong
Ireland
Vietnam

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Reckitt Benckiser

EPA-registered importers (1)

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

Reckitt Benckiser Group · GB United Kingdom

Why It Matters

Sectors

Metals & Mining

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

•Fragrance in Other (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.06/gAaron Chemicals LLC

CountryHong Kong

Pack$31.00 / 500 g

Purity98%

Vendors2 available

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

1 more vendor

Vendor	Country	$/g	Pack	Purity
AA BLOCKS	United States	$0.28	1 kg	95%

Chemical Identity

CAS6728-26-3

PubChem CID5281168

DTXSIDDTXSID1041425

FormulaC6H10O

Mol. Weight98.14 g/mol

SMILESCCCC=CC=O

Data Sources

EPA CompTox (DSSTox) · DTXSID1041425Retrieved 2026-04-06
PubChem · compound 5281168Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

(2E)-2-Hexenal (CAS 6728-26-3) https://chemicalindependence.com/chemical/6728-26-3/ EPA CompTox (DSSTox): DTXSID1041425. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID1041425 PubChem: 5281168. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5281168 EPA Chemical Data Reporting: 6728-26-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 6728-26-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291219 for CAS 6728-26-3. Reporting year: 2024. https://usatrade.census.gov/