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Sku TS246CS-W012405_25_G
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Product Information

Product Name
6PPD
Brand Name
ChemScene
Product Number
CS-W012405
CAS
793-24-8
Certificate of Analysis (COA)​
COA not found

General Information

PubChem CID
13101
IUPAC Name
4-N-(4-methylpentan-2-yl)-1-N-phenylbenzene-1,4-diamine
InChI Key
ZZMVLMVFYMGSMY-UHFFFAOYSA-N
SMILES
CC(C)CC(C)NC1=CC=C(C=C1)NC2=CC=CC=C2

Application

Product Introduction

6PPD is a high-performance p-phenylenediamine rubber antioxidant and antiozonant widely used in tires, industrial rubber products, elastomers, conveyor belts, hoses, cables, and automotive rubber components.

Chemically known as N-(1,3-Dimethylbutyl)-N'-phenyl-p-phenylenediamine, 6PPD is designed to protect rubber materials against ozone cracking, thermo-oxidative degradation, flex cracking, and environmental aging.

Due to its excellent balance of antioxidant, antiozonant, and fatigue-resistance performance, 6PPD is one of the most widely used protective additives in tire compounds and high-performance rubber formulations.

Chemical Properties and Reaction Mechanism

6PPD functions primarily as a rubber antioxidant, antiozonant, and anti-aging stabilizer.

In rubber systems:

  • Scavenges free radicals generated during oxidative degradation
  • Reacts with atmospheric ozone, helping suppress ozone-induced surface cracking
  • Inhibits thermal oxidation and flex fatigue deterioration
  • Improves durability under dynamic mechanical stress conditions 

Key stabilization features:

  • p-Phenylenediamine antioxidant structure
  • Strong anti-ozone protection capability
  • Effective resistance to heat, oxygen, and flex aging
  • Good performance in demanding rubber processing systems 

Its multifunctional protection mechanism makes it valuable for long-life rubber applications.

Key Research Applications

1.Tire and Rubber Manufacturing

6PPD is widely used in tire compound formulations.

Typical applications include:

  • Passenger tire stabilization
  • Truck and off-road tire formulations
  • Tire sidewall ozone protection
  • Dynamic rubber durability studies

2.Rubber and Elastomer Stabilization

Useful in industrial rubber systems.

Applications include:

  • Natural rubber (NR) protection
  • Styrene-butadiene rubber (SBR) stabilization
  • Nitrile rubber (NBR) antioxidant systems
  • Neoprene and synthetic elastomer formulations

3.Anti-Aging and Anti-Ozone Research

The compound is commonly used in rubber degradation control studies.

Applications include:

  • Ozone resistance evaluation
  • Thermal aging inhibition studies
  • Flex cracking resistance research
  • Oxidative degradation control

4.Industrial Additive Development

Widely used in rubber additive formulation science.

Applications include:

  • Antioxidant package optimization
  • Rubber processing aid compatibility studies
  • Long-term durability performance evaluation

Recommended Experimental Conditions

Parameter Recommended Conditions
Application Type Rubber antioxidant / antiozonant
Formulation Systems Tires, elastomers, industrial rubber
Processing Conditions Rubber compounding and vulcanization systems
Usage Level Optimize according to compound formulation
Blending Strategy Single use or synergistic stabilizer systems

Recommended dosage should be optimized based on rubber type, ozone exposure conditions, and processing requirements.

Advantages in Stabilization Applications

  • Highly effective rubber antioxidant and antiozonant
  • Excellent protection against ozone cracking and oxidative aging
  • Strong performance under dynamic and thermal stress conditions
  • Suitable for demanding tire and industrial rubber formulations
  • Supports long-term rubber durability and service life

Research Areas

Researchers working in the following fields may benefit from this compound:

  • Rubber and elastomer chemistry
  • Tire formulation and materials science
  • Polymer stabilization research
  • Industrial additive development
  • Materials aging and durability studies

FAQ

Frequently Asked Questions (FAQ)

 

What is 6PPD used for?
It is widely used as a rubber antioxidant and antiozonant in tires, elastomers, hoses, belts, cables, and industrial rubber products.

 

How does 6PPD protect rubber materials?
It helps reduce degradation through free-radical scavenging, ozone protection, and inhibition of thermo-oxidative aging.

 

Which rubber systems commonly use 6PPD?
Typical systems include natural rubber, SBR, NBR, neoprene, and tire compounds.

 

Why is 6PPD widely used in tire manufacturing?
Because it provides strong anti-ozone, anti-fatigue, and thermal aging resistance, improving tire durability and service performance.

 

Can 6PPD be combined with other stabilizers?
Yes, it is commonly used together with rubber antioxidants, waxes, and stabilizer packages for enhanced protection.

 

Does formulation performance depend on dosage?
Yes, parameters such as rubber type, additive concentration, processing temperature, and environmental exposure conditions can influence performance.

References

What research exists on the presence of 6PPD-Q in different environmental media? A systematic map protocol

Publication Name: Environmental Evidence
Publication Date: 2026-02-04
DOI: 10.1186/s13750-026-00380-1

Acute Toxicity of 6PPDQ, 6PPD, and Other Transformation Products to a Freshwater Mussel (Lampsilis siliquoidea, Barnes 1823)

Publication Name: Bulletin of Environmental Contamination and Toxicology
Publication Date: 2026-01-25
DOI: 10.1007/s00128-025-04109-7

S74 | REFTPS | Transformation Products and Reactions from Literature

Publication Date: 2026
DOI: 10.5281/zenodo.4318838

Oral exposure to tire rubber-derived contaminant 6PPD and 6PPD-quinone induces intestinal toxicity in mice

Publication Name: Toxicology
Publication Date: 2025-12
DOI: 10.1016/j.tox.2025.154285

Catalytic role of atmospheric constituents in the formation of 6PPD-Quinone in a Korean Metropolitan Region

Publication Name: Asian Journal of Atmospheric Environment
Publication Date: 2025-12
DOI: 10.1007/s44273-025-00075-y