Ultranox 626
- CAS NO.：26741-53-7
- Empirical Formula: C33H50O6P2
- Molecular Weight: 604.69
- MDL number: MFCD00071521
- EINECS: 247-952-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-06-05 18:44:30
What is Ultranox 626?
Description
Antioxidant 626 is a white to off-white powdery substance with low volatility and higher efficiency. It is often used in combination with hindered phenolic antioxidants.
The Uses of Ultranox 626
Antioxidant 626 is suitable for: polyolefin and olefin copolymers, polycarbonate, polyamide and other engineering plastics, rubber and elastomers, coatings and adhesives.
Flammability and Explosibility
Not classified
Properties of Ultranox 626
| Melting point: | 160-178°C |
| Boiling point: | 555.8±50.0 °C(Predicted) |
| Density | 1.166[at 20℃] |
| vapor pressure | 0Pa at 25℃ |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| solubility | Chloroform (Slightly), Hexanes (Slightly, Heated) |
| form | Solid |
| color | White to Off-White |
| Water Solubility | 93μg/L at 25℃ |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 26741-53-7(CAS DataBase Reference) |
| EPA Substance Registry System | Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite (26741-53-7) |
Safety information for Ultranox 626
Computed Descriptors for Ultranox 626
New Products
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