Dragonox® 626
- CAS Number
- 26741-53-7
- EC Number
- 247-952-5
Dragonox® 626 is a kind of highly effective solid phosphite ester antioxidant. It is often blended with phenolic principal antioxidants (such as AO-1010) to prepare composite antioxidants that improve the thermostability of polymer processing. It is widely applied in PE, PP, PS, PA, PC, ABS, and many other polymer materials. The general dosage of this product is 0.1 - 0.3%.
Properties
- Physical Form
- Powder
- Solid
Identification
- Chemical Name
39-bis(24-di-tert-butylphenoxy)-24810-tetraoxa-39-diphosphaspiro[5.5]undecane
Product families
- Antioxidants & Stabilizers
Other characteristics
- Brand
- Dragonox
- Synonyms
3,9-Bis(2,4-ditert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane, 3,9-Bis[2,4-bis(1,1-dimethylethyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane, Bis(2,4-di-t-butylphenyl)pentaerythritol diphosphite, Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite, Bis(2,4-di-tert-butylphenyl)pentraerythritol diphosphite, Cyclic neopentanetetrayl bis(2,4-di-tert-butylphenyl phosphite), Di(2,4-di-tert-butylphenyl)pentaerythritol diphosphite, Pentaerythritol bis(2,4-di-tert-butylbenzyl) diphosphite, Pentaerythritol bis(2,4-di-tert-butylphenyl phosphite), Pentaerythritol bis(2,4-di-tert-butylphenyl) diphosphite
- Functions
- Antioxidant
- Compatible Polymers & Resins
Acrylonitrile Butadiene Styrene (ABS), Polyamides, Polycarbonates (PC), Polyethylenes (PE), Polypropylenes (PP), Polystyrenes (PS)
- Color
- White
- Appearance
- white powder or grains
- Technology
- Plastics
- Material Features
- Crystalline
- Good Thermal Stability
- Compatible Polymers and Resins
- Acrylonitrile Butadiene Styrene (ABS)
- Polyamides
- Polycarbonates (PC)
- Polyethylenes (PE)
- Polypropylenes (PP)
- Polystyrenes (PS)
- Plastics and Elastomers Functions
- Antioxidant
Technical data
Table 1 of 1
5 rows| Characteristic | Value | Unit |
|---|---|---|
| Melting Point | 170 - 180 | °C |
| Volatiles(80°C) | max. 1 | % |
| Acidity | max. 1 | mg KOH/g |
| Free 2,4-di-tert-butyl-phenol | max. 1 | % |
| Assay | min. 95 | % |
