Hexanal, 3,5,5-trimethyl-

CAS 5435-64-3

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

US productionCBI

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

Import value, 2024$90M

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. US production volume is confidential. 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 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.

Oq Chemicals

Why It Matters

Sectors

Core Chemicals

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

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

Vendor Pricing

$0.39/gSigma-Aldrich (Rush Stock)

CountryGermany

Pack$1563.17 / 4 kg

Purity97%

Vendors7 available

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

6 more vendors

Vendor	Country	$/g	Pack	Purity
Sigma-Aldrich	Germany	$0.39	4 kg	97%
A2B Chem LLC (1 week)	United States	$0.86	100 g	90%
AA BLOCKS (1 week)	United States	$0.95	100 g	90%
Aaron Chemicals LLC	Hong Kong	$1.16	100 g	90%
Angene Chemical	China → Hong Kong	$1.32	25 g	96%
Angene	China → Hong Kong	$4266.67	30 mg	96%

Chemical Identity

CAS5435-64-3

PubChem CIDNot recorded

DTXSIDDTXSID6047107

FormulaC9H18O

Mol. Weight142.242 g/mol

SMILESCC(CC=O)CC(C)(C)C

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

Hexanal, 3,5,5-trimethyl- (CAS 5435-64-3) https://chemicalindependence.com/chemical/5435-64-3/ EPA TSCA Inventory: CAS 5435-64-3. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 5435-64-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 5435-64-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291219 for CAS 5435-64-3. Reporting year: 2024. https://usatrade.census.gov/