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4,4'-Butane-1,1-diylbis(2-tert-butyl-5-methylphenol)

CAS 85-60-9

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

Molecular structure of 85-60-9
US productionCBI
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
IN 30%IndiaDE 19%GermanyCN 16%ChinaJP 11%JapanIT 7%Italy
Domestic parents -- activity not disclosed (1)
Si Group
EPA-registered importers (2)
Amfine Chemical
Univar Solutions

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

  • •Antioxidant in Plastics Material and Resin ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Antioxidant in Synthetic Rubber Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • •UV stabilizer in Synthetic Rubber Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product
  • •UV stabilizer in Plastics Material and Resin Manufacturing (50%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.13/gA2B Chem LLC
CountryUnited States
Pack$130.00 / 1 kg
Purity97%
Vendors15 available

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

14 more vendors
VendorCountry$/gPackPurity
BLD Pharmatech Ltd.China$0.171 kg98%
Aaron Chemicals LLCHong Kong$0.17500 g97%
AA BLOCKSUnited States$0.18500 g97%
BLD Pharmatech Co., LimitedUnited States$0.181 kg98%
Ambeed, Inc.United States$0.181 kg98%
Angene ChemicalChina → Hong Kong$0.19500 g97%
BLD Pharmatech GmbHGermany$0.21500 g98%
Combi-Blocks, Inc.United States$0.251 kg97%
Fluorochem EUGermany$0.6325 g98%
AK Scientific SpecializedUnited States$1.07100 g95%
AK Scientific, Inc.United States$1.51100 g97%
Angene International LimitedUnited States$2.67100 g97%
AstaTech (2 weeks)United States$3.0825 g95%
AngeneChina → Hong Kong$4266.6730 mg97%

Chemical Identity

CAS85-60-9
PubChem CID6815
DTXSIDDTXSID8029602
FormulaC26H38O2
Mol. Weight382.6 g/mol
SMILESCCCC(C1=CC(=C(C=C1C)O)C(C)(C)C)C2=CC(=C(C=C2C)O)C(C)(C)C

Data Sources

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Brief citations

4,4'-Butane-1,1-diylbis(2-tert-butyl-5-methylphenol) (CAS 85-60-9) https://chemicalindependence.com/chemical/85-60-9/ EPA CompTox (DSSTox): DTXSID8029602. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8029602 PubChem: 6815. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6815 EPA Chemical Data Reporting: 85-60-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 85-60-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290729 for CAS 85-60-9. Reporting year: 2024. https://usatrade.census.gov/