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ANTIOXIDANT 626 CAS NO.26741-53-7

—Bis(2,4-di-tert-butylphenyl) pentaerythritol dipho, Ultranox 626, Mark PEP 24G, Doverphos S9432
Product Category: Antioxidants
Sales Method: Export, Manufacture
Payment Term: T/T, L/C, D/P sight
Trade Term (Incoterms): FOB, CFR, CIF
Min. Order Unit Price
100 Pieces
Contact Info


Address: China (mainland) Guangdong Guangzhou,No.10, Jiqingxiang, Shiyicun, Shilou Town, Panyu Dist., Guangzhou.China

Product Detail

Product Attribute:

  • China (mainland) More >
  • 626
  • Bis(2,4-di-tert-butylphenyl) pentaerythritol dipho
  • 10/08/2019
  • 10/09/2019

Additional Info.:

  • yes
  • yes
  • 50 MT / month
  • within 10 Days

Product Content Description:

Chemical name: Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite
CAS No.: 26741-53-7                               
Molecular formula: C33H50O6P2
Molecular weight: 604                                           
Appearance: White powder
Assay,%: ≥95.0
Melting point,℃: 170.0-180.0 
Volatility,%: ≤ 1.0
Acid value (mgKOH/g), %: ≤ 1.0
Free 2,4-di-tert-butyl-phenol, %: ≤ 1.0
ANTIOXIDANT HONOX-626 is a highly effective phosphite antioxidant which is superior to the other phosphite antioxidants in the protection of polymer’s color. It provides excellent color stabilization during compounding, fabrication and end use. It is an excellent stabilizer for reducing polymer degradation during processing. 
It is often blended with phenolic primary antioxidants such as 1010 and 1076 to prepare composite antioxidant which improves the thermo-stability of polymer processing. It is widely used in PE, PP, PS, PA, PC, ABS, PVC and many other polymer materials.   

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