4,4'-Dioctyldiphenylamine

CAS 101-67-7

EPA’s 2023 records show zero U.S. production of this chemical.

US productionZero

Import value, 2024$41M

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceIndia 37%

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. 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 292149 · basket

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Zero · Imports 460.8K lb

These shares come from HS customs code 292149, which covers 80 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 37%IndiaCN 25%ChinaDE 14%GermanyMX 9%MexicoGB 4%United Kingdom

Israel
Ireland
Czech Republic
Singapore
Slovakia
Lithuania
Belgium
Australia

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.

Ravago S A · LU Luxembourg

Ravago Holdings America

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

Industrial Uses

•Antioxidant in Rubber Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$42.00/gAaron Chemicals LLC

CountryHong Kong

Pack$1050.00 / 25 g

Purity98%

Vendors9 available

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

8 more vendors

Vendor	Country	$/g	Pack	Purity
BLD Pharmatech Ltd.	China	$68.00	1 g	95%
A2B Chem LLC	United States	$123.00	1 g	95%
AA BLOCKS	United States	$134.00	1 g	95%
Fluorochem UK	United Kingdom	$171.60	250 mg	95%
Angene International Limited	United States	$222.00	1 g	95%
AstaTech, Inc	United States	$260.00	250 mg	95%
MedKoo Biosciences, Inc	United States	$235000.00	10 mg	98%
Cayman Europe	Estonia	$245973.00	10 mg	95%

Chemical Identity

CAS101-67-7

PubChem CID7569

DTXSIDDTXSID3025170

FormulaC28H43N

Mol. Weight393.6 g/mol

SMILESCCCCCCCCC1=CC=C(C=C1)NC2=CC=C(C=C2)CCCCCCCC

Data Sources

EPA CompTox (DSSTox) · DTXSID3025170Retrieved 2026-04-06
PubChem · compound 7569Retrieved 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

4,4'-Dioctyldiphenylamine (CAS 101-67-7) https://chemicalindependence.com/chemical/101-67-7/ EPA CompTox (DSSTox): DTXSID3025170. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3025170 PubChem: 7569. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/7569 EPA Chemical Data Reporting: 101-67-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 101-67-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292149 for CAS 101-67-7. Reporting year: 2024. https://usatrade.census.gov/