Phenol, 2,6-bis(1,1-dimethylethyl)-4-nonyl-

CAS 4306-88-1

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$33M

Top sourceGermany 29%

At least one company claimed its 2019 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: 2019. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 290719 · basket

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 290719, which covers 116 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 29%GermanyIN 26%IndiaCN 19%ChinaIT 9%ItalyCH 5%Switzerland

Mexico
Poland
South Korea
Canada
Russia
Ukraine
Hong Kong
Malaysia
United Kingdom

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.

Si Group

Why It Matters

Sectors

Plastics & 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

Chemical Identity

CAS4306-88-1

PubChem CID78004

DTXSIDDTXSID4063404

FormulaC23H40O

Mol. Weight332.6 g/mol

SMILESCCCCCCCCCC1=CC(=C(C(=C1)C(C)(C)C)O)C(C)(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID4063404Retrieved 2026-04-06
PubChem · compound 78004Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Phenol, 2,6-bis(1,1-dimethylethyl)-4-nonyl- (CAS 4306-88-1) https://chemicalindependence.com/chemical/4306-88-1/ EPA CompTox (DSSTox): DTXSID4063404. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID4063404 PubChem: 78004. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/78004 EPA Chemical Data Reporting: 4306-88-1. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 4306-88-1. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 290719 for CAS 4306-88-1. Reporting year: 2024. https://usatrade.census.gov/