3-(4-Ethylphenyl)-2,2-dimethylpropanal

CAS 67634-15-5

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$106M

Top sourceJapan 33%

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 291229 · basket

EPA reports by year

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

These shares come from HS customs code 291229, which covers 104 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).

JP 33%JapanCN 14%ChinaMX 13%MexicoIN 12%IndiaES 9%Spain

Malaysia
Ukraine
Austria
Belgium
Latvia
Netherlands
Brazil
Canada
Singapore

EPA-registered manufacturers (2)

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

Symrise Ag · DE Germany

Symrise

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 (5)

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

Givaudan Fragrances

Henkel Us Operations

International Flavors And Fragrances

P&G

Why It Matters

Sectors

Plastics & RubberConsumer ProductsCore 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

Used in 4 sectors as 2 functional roles.

•Fragrance in All Other Chemical Product and Preparation Manufacturing (97%)Processing—incorporation into formulation, mixture, or reaction product
•Fragrance in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (2%)Processing—incorporation into formulation, mixture, or reaction product
•Fragrance in Plastics Material and Resin Manufacturing (1%)Processing—incorporation into article
•Odor agents in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$2.40/gAaron Chemicals LLC

CountryHong Kong

Pack$240.00 / 100 g

Purity96%

Vendors6 available

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

5 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$2.58	100 g	96%
AstaTech (2 weeks)	United States	$3.10	100 g	95%
A2B Chem LLC (1 week)	United States	$709.00	1 g	99%
AA BLOCKS (1 week)	United States	$750.00	1 g	99%
Angene	China → Hong Kong	$4266.67	30 mg	96%

Chemical Identity

CAS67634-15-5

PubChem CID105513

DTXSIDDTXSID3052359

FormulaC13H18O

Mol. Weight190.28 g/mol

SMILESCCC1=CC=C(C=C1)CC(C)(C)C=O

Data Sources

EPA CompTox (DSSTox) · DTXSID3052359Retrieved 2026-04-06
PubChem · compound 105513Retrieved 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

3-(4-Ethylphenyl)-2,2-dimethylpropanal (CAS 67634-15-5) https://chemicalindependence.com/chemical/67634-15-5/ EPA CompTox (DSSTox): DTXSID3052359. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3052359 PubChem: 105513. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/105513 EPA Chemical Data Reporting: 67634-15-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 67634-15-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291229 for CAS 67634-15-5. Reporting year: 2024. https://usatrade.census.gov/