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Dragonox® P-EPQ
- CAS Number
- 119345-01-6
- EC Number
- 432-130-2
- Chemical Family
- Phosphites
Dragonox® P-EPQ is a phosphite antioxidant with high hydrolytic stability. As an auxiliary antioxidant, this product can react with hydroperoxides generated during the polymer automatic oxidation process, thus preventing the degradation caused by processing and acting synergistically with the main antioxidant.
Properties
- Physical Form
- Powder
- Solid
Identification
- Chemical Name
Tetrakis(24-di-tert-butylphenyl) 44'-biphenyldiphosphonite
Product families
Elastomers — Elastomer Additives
- Antioxidants & Stabilizers
Plastics — Polymer Additives
- Antioxidants & Stabilizers
Other characteristics
- Brand
- Dragonox
- Features
- High Hydrolytic Stability
- Functions
- Antioxidant, Secondary Antioxidant, Stabilizer
- Appearance
- White crystal powder
- Technology
- Elastomers
- Plastics
- Packaging Type
- Drums
- Material Features
- High Hydrolytic Stability
- Packaging Information
- 25kg/drum
- Plastics and Elastomers Functions
- Antioxidant
- Secondary Antioxidant
- Stabilizer
Technical data
Table 1 of 1
11 rows| Characteristic | Value | Unit |
|---|---|---|
| Content of 2,4-Di-tert-butylphenol | 3.5 | % |
| Content of Phosphorus | 5.4 - 5.9 | % |
| Acid Value | 5 | mg KOH/g |
| Melting Point | 100 - 110 | °C |
| Volatile | max. 0.5 | % |
| Transmittance (425 nm) | min. 86 | % |
| Loss of Drying | 0.5 | % |
| Transmittance (500 nm) | min. 94 | % |
| Chemical Name | Tetrakis(2,4 - di - tert - butylphenyl) 4,4 - biphenyldiphosphonite | — |
| Formula | 68H9204P2 | — |
| Molecular Weight | 1035.4 | g/mol |
