Phenol, 2,6-bis(1-methylpropyl)-4-[2-(4-nitrophenyl)diazenyl]-

CAS 111850-24-9

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$50M

Top sourceIndonesia 23%

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 292700 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential

These shares come from HS customs code 292700, which covers 89 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).

ID 23%IndonesiaJP 18%JapanMX 16%MexicoCN 13%ChinaKR 8%South Korea

Germany
United Kingdom
Switzerland
Belgium
Latvia
Ukraine

EPA-registered importers (1)

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

Dow Chemical

Why It Matters

Sectors

Core 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

•Dye in Petrochemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS111850-24-9

PubChem CIDNot recorded

DTXSIDDTXSID80888848

FormulaC20H25N3O3

Mol. Weight355.438 g/mol

SMILESCCC(C)C1=CC(=CC(C(C)CC)=C1O)N=NC1=CC=C(C=C1)[N+]([O-])=O

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

Phenol, 2,6-bis(1-methylpropyl)-4-[2-(4-nitrophenyl)diazenyl]- (CAS 111850-24-9) https://chemicalindependence.com/chemical/111850-24-9/ EPA TSCA Inventory: CAS 111850-24-9. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 111850-24-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 111850-24-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292700 for CAS 111850-24-9. Reporting year: 2024. https://usatrade.census.gov/