N,N'-Bis(1,4-dimethylpentyl)-4-phenylenediamine

CAS 3081-14-9

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$132M

Top sourceChina 27%

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 292151 · basket

EPA reports by year

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

These shares come from HS customs code 292151, which covers 51 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).

CN 27%ChinaBE 26%BelgiumKR 17%South KoreaDE 16%GermanyIN 13%India

United Kingdom
Slovakia
Argentina
Brazil
Poland
Spain
Netherlands
Taiwan
Japan

Domestic parents -- activity not disclosed (3)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Eastman Chemical

Flexsys Holdings

Si Group

Why It Matters

Sectors

Plastics & RubberCore 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

Used in 3 sectors as 2 functional roles.

•Antioxidant in Rubber Product Manufacturing (67%)Processing—incorporation into formulation, mixture, or reaction product
•Chemical reaction regulator in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
•Chemical reaction regulator in Plastics Material and Resin Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$564.00/gA2B Chem LLC (1 week)

CountryUnited States

Pack$564.00 / 1 g

PurityNot recorded

Vendors3 available

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

2 more vendors

Vendor	Country	$/g	Pack	Purity
Cayman Europe	Estonia	$711.62	500 mg	98%
MedKoo Biosciences, Inc	United States	$3800.00	250 mg	98%

Chemical Identity

CAS3081-14-9

PubChem CID18320

DTXSIDDTXSID2024618

FormulaC20H36N2

Mol. Weight304.5 g/mol

SMILESCC(C)CCC(C)NC1=CC=C(C=C1)NC(C)CCC(C)C

Data Sources

EPA CompTox (DSSTox) · DTXSID2024618Retrieved 2026-04-06
PubChem · compound 18320Retrieved 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

← Back to Dashboard ← Back to Plastics & Rubber

Brief citations

N,N'-Bis(1,4-dimethylpentyl)-4-phenylenediamine (CAS 3081-14-9) https://chemicalindependence.com/chemical/3081-14-9/ EPA CompTox (DSSTox): DTXSID2024618. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2024618 PubChem: 18320. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/18320 EPA Chemical Data Reporting: 3081-14-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3081-14-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 292151 for CAS 3081-14-9. Reporting year: 2024. https://usatrade.census.gov/