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| Add: 24-29/F, Xinhua Mansion, No. |
| 55 Zhongshan Rd., Nanjing, China |
| Tel: 0086-25-84795748 |
| Fax: 0086-25-84795750 |
| E-mail: sales@polyadditive.com |
| Manager: Vivian Cui (Ms.) |
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Antioxidants |
ANTIOXIDANT 626 |
| Chemical name: |
Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite |
| Equivalent: |
Ultranox 626(GE SC) |
| Structural formula: |
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| Molecular formula: |
C33H50O6P2 |
| Molecular weight: |
604.69 |
| CAS NO.: |
26741-53-7 |
| Physical properties: |
Appearance: White crystal |
Melting range: 160DC-178DC |
Flash point: 168DC |
Specific gravity (g/ml@20DC): Not available |
Solubility@20DC(g/100g solvent) |
Water |
Insoluble |
Toluene |
Soluble |
Dichloromethane |
Soluble |
Alcohol |
Slightly melting |
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| Specifications: |
Appearance |
White crystal powder |
Melting point |
160℃~180℃ |
Volatile |
1.0% max |
Acid value |
1.0mg KOH/g max |
Free 2,4-ditertbutyl phenol |
1.0% max |
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| Applications: |
AO-626 is a kind of high-effective solid phosphite ester antioxidant, which is superior to other phosphite ester in the effective protection of polymers’ color.
It is often blended with phenolic antioxidant (such as AO-1010) to prepare composite antioxidant which improves the thermo-stability of polymer processing.
It is widely applied in PE, PP, PS, PA, PC, ABS and many other polymer materials. |
| Packing: |
25kg net aluminum foil bag paper in fiber drum
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