N-(1,3-Dimethylbutyl)-N’-phenyl-p-phenylenediamine (CAS 793-24-8) Technical Guide
Table of Contents
1. Product Overview & Specifications
Chemical Name: N-(1,3-Dimethylbutyl)-N’-phenyl-p-phenylenediamine
CAS Number: 793-24-8
Molecular Formula: C18H24N2
Molecular Weight: 268.40 g/mol
Appearance: Dark purple granular solid; darkens upon exposure to air.
Key Specifications
Parameter | Value |
---|---|
Crystallization Point | ≥46.0°C |
Melting Point | ≥45.0°C |
Purity (GC) | ≥96.0% |
Moisture Content | ≤0.50% |
Ash Content | ≤0.15% |
Density | 0.99 g/cm³ |
2. Key Applications
This antioxidant is widely used in rubber manufacturing for:
- Tire Production: Protects pneumatic tires from ozone cracking and dynamic fatigue.
- Industrial Belts & Hoses: Enhances durability in conveyor belts, hydraulic hoses, and automotive tubing.
- Automotive Components: Extends service life of engine mounts, suspension bushings, and seals.
- Cable Insulation: Prevents degradation in electrical and telecommunications cables.
- Mechanical Goods: Used in vibration dampeners, gaskets, and seals exposed to intermittent stress.
3. Industry Use Cases
Case 1: Tire Manufacturing Optimization
Integrated at 2-3 phr (parts per hundred rubber) in sidewall compounds, significantly reducing ozone-induced cracking under prolonged UV exposure.
Case 2: Mining Conveyor Systems
Enabled 40% longer operational lifespan in high-tension rubber conveyor belts used in abrasive mining environments.
4. Client Success Stories
Global Tire Manufacturer (Asia)
Achieved 18-month warranty extension on commercial truck tires through optimized 6PPD loading ratios in tread compounds.
European Automotive Supplier
Reduced warranty claims by 32% on engine mounting systems through improved thermal-oxidative stability.
North American Cable Producer
Met stringent MIL-STD-2223B specifications for military-grade cable insulation using 6PPD-based formulations.
5. Contact for Quotation
Request technical datasheets or customized formulations: