| Item | Specification |
|---|---|
| Chemical Name | 4,4′-Methylenebis(2,6-di-tert-butylphenol) |
| CAS No. | 118-82-1 |
| Molecular Formula | C29H44O2 |
| Molecular Weight | 424.66 |
| EINECS No. | 204-279-1 |
| Appearance | White solid |
Products
Antioxidant 702 (CAS 118-82-1) | Phenolic Antioxidant Supplier
Product Introduction
Antioxidant 702 is part of our antioxidants product range used in plastics and lubricants.Antioxidant 702 is 4,4′-Methylenebis(2,6-di-tert-butylphenol). It is a high performance phenolic antioxidant. It is widely used in the industry to improve thermal and oxidative stability. This is true of polymers, lubricants and industrial materials.
Having an outstanding free radical scavenging capacity, the compound serves well in prevention of oxidative degradation of materials, which increases the service life of materials and preserves physical characteristics of materials including color, flexibility, and strength.
Antioxidant 702 (CAS 118-82-1) serves a particular purpose. Manufacturers use it where long-term stability is necessary. This applies to high-temperature and oxidative.
Physical Properties
- Melting Point: 155–159°C
- Density: ~1.0 g/cm³
- Solubility: Not soluble in water.
- Stability: Stable under normal storage conditions
The compound has a diverse range of application in various industries as it is a high-performance antioxidant:
Plastics & Polymers
- Polyethylene (PE)
- Polypropylene (PP)
- Engineering plastics
Lubricants & Fuels
- Industrial lubricants
- Engine oils
- Fuel additives
Adhesives & Resins
- Synthetic resins
- Adhesives
- Rubber materials
Stabilizer Systems
- Used in combination with phosphites and UV absorbers
- Very high thermal and oxidative stability.
- Good free radical scavenger.
- Enhances color retention and mechanical qualities.
- Can be used with different polymer systems.
- Prolonged work in severe conditions.
Packaging & Storage
- Packaging: 25kg fiber drum or tailor-made packaging.
- Storage: Store in a cool and dry, well ventilated place.
- Shelf Life: 2 years in the correct storage conditions.

1. What is the use of Antioxidant 702?
The compound serves primarily as a phenolic antioxidant in the prevention of oxidative degradation in plastics, lubricants, fuels, and resins to enhance the product life.
2. Does CAS 118-82-1 work in high temperature?
Yes, it has good thermal stability and is commonly utilized in high temperature applications like lubricants and polymer processing.
3. How does the Antioxidant 702 work?
The mechanism behind the compound is that it scavenges free radicals and breaks the reaction chain during oxidation, thereby preventing the degradation of materials.
4. What about using this phenolic antioxidant with UV stabilizers?
Yes, it is usually used together with UV absorbers and phosphite antioxidants to boost the total stabilization functionality.
5. Where to buy Antioxidant 702 (CAS 118-82-1)?
In case you are interested in a reliable supplier of Antioxidant 702, please contact us to get technical support, samples and competitive pricing.


























