2-Methylcinnamic aldehyde

CAS 101-39-3

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$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

Domestic parents -- activity not disclosed (3)

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

International Flavors And Fragrances

Reckitt Benckiser

Tilley Distribution

EPA-registered importers (3)

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

Lanxess

Why It Matters

Sectors

FoodMetals & MiningCore 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.

•Flavoring and nutrient in Food, beverage, and tobacco product manufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Fragrance in All Other Basic Organic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Fragrance in Miscellaneous ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Fragrance in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.04/gAA BLOCKS

CountryUnited States

Pack$1858.00 / 50 kg

Purity95%

Vendors2 available

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

1 more vendor

Vendor	Country	$/g	Pack	Purity
Aaron Chemicals LLC	Hong Kong	$0.05	500 g	95%

Chemical Identity

CAS101-39-3

PubChem CID5372813

DTXSIDDTXSID4025587

FormulaC10H10O

Mol. Weight146.19 g/mol

SMILESCC(=CC1=CC=CC=C1)C=O

Data Sources

EPA CompTox (DSSTox) · DTXSID4025587Retrieved 2026-04-06
PubChem · compound 5372813Retrieved 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

2-Methylcinnamic aldehyde (CAS 101-39-3) https://chemicalindependence.com/chemical/101-39-3/ EPA CompTox (DSSTox): DTXSID4025587. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4025587 PubChem: 5372813. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/5372813 EPA Chemical Data Reporting: 101-39-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 101-39-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 291229 for CAS 101-39-3. Reporting year: 2024. https://usatrade.census.gov/