2,2'-Methylenebis(ethyl-6-tert-butylphenol)

CAS 88-24-4

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$72M

Top sourceIndia 30%

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 290729 · basket

EPA reports by year

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

These shares come from HS customs code 290729, which covers 82 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).

IN 30%IndiaDE 19%GermanyCN 16%ChinaJP 11%JapanIT 7%Italy

Austria
United Kingdom
Denmark
Canada
Colombia
New Zealand
Poland
Netherlands
Ukraine

EPA-registered importers (2)

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

Syensqo Sa · BE Belgium

Solvay

Why It Matters

Sectors

ConstructionPlastics & Rubber

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 2 sectors as 1 functional role.

•Antioxidant in Adhesive Manufacturing (5%)Processing—incorporation into formulation, mixture, or reaction product
•Antioxidant in Synthetic Rubber Manufacturing (95%)Processing—incorporation into article

Vendor Pricing

$0.10/gAaron Chemicals LLC

CountryHong Kong

Pack$49.00 / 500 g

PurityNot recorded

Vendors16 available

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

15 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.11	500 g	98%
A2B Chem LLC	United States	$0.20	500 g	98%
AA BLOCKS	United States	$0.22	500 g	99%
Combi-Blocks, Inc.	United States	$0.25	1 kg	98%
BLD Pharmatech Ltd.	China	$0.30	500 g	98%
Ambeed, Inc.	United States	$0.38	100 g	98%
AK Scientific Specialized	United States	$0.41	100 g	95%
AK Scientific, Inc.	United States	$0.55	100 g	99%
Angene International Limited	United States	$1.20	100 g	99%
Sigma-Aldrich (Rush Stock)	Germany	$1.58	100 g	—
Sigma-Aldrich	Germany	$1.58	100 g	—
Labotest KG	Germany	$217.80	5000 mg	90%
Key Organics Ltd.	United Kingdom	$2740.00	50 mg	97%
Angene	China → Hong Kong	$4266.67	30 mg	—
TimTec, LLC	United States	$13333.33	30 mg	90%

Chemical Identity

CAS88-24-4

PubChem CID6928

DTXSIDDTXSID7038864

FormulaC25H36O2

Mol. Weight368.6 g/mol

SMILESCCC1=CC(=C(C(=C1)C(C)(C)C)O)CC2=C(C(=CC(=C2)CC)C(C)(C)C)O

Data Sources

EPA CompTox (DSSTox) · DTXSID7038864Retrieved 2026-04-06
PubChem · compound 6928Retrieved 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

2,2'-Methylenebis(ethyl-6-tert-butylphenol) (CAS 88-24-4) https://chemicalindependence.com/chemical/88-24-4/ EPA CompTox (DSSTox): DTXSID7038864. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7038864 PubChem: 6928. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6928 EPA Chemical Data Reporting: 88-24-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 88-24-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290729 for CAS 88-24-4. Reporting year: 2024. https://usatrade.census.gov/