Hangzhou Jingyou Chemical Co.,Ltd.

Antioxidant 626

• Category :

  Catalyst and Auxiliary

• Synonyms :

  Bis(2,4-di-tert-butylphenyl) pentaerythritol diphosphite;3,9-Bis(2,4-bis(1,1-dimethylethyl)phenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro(5.5)undecane;ADK Stab PEP 24;Mark PEP 24;Ultranox 626;Irgafos 126;Primanox626;3,9-bis(2,4-di-tert-butylphenoxy)-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane;Antioxidant 626;Bis-(2,4-di-tert-butylphenyl)-pentaerythrityl diphosphite;Antioxidant AT-626;Bis(2,4-di-tert-butylphenyl)pentaerythritol diphosphite;Bis(2,4-di-t-butylphenyl) pentaerythritol diphosphite;

• CAS NO :

  26741-53-7

• EC NO :

  247-952-5

• Molecular Formula :

  C₃₃H₅₀O₆P₂

• Molecular Weight :

  604.694

• Main Specifications :

• InChI :

  InChI=1/C33H50O6P2/c1-29(2,3)23-13-15-27(25(17-23)31(7,8)9)38-40-34-19-33(20-35-40)21-36-41(37-22-33)39-28-16-14-24(30(4,5)6)18-26(28)32(10,11)12/h13-18H,19-22H2,1-12H3

• Packing :

  25kg carton inner with plastic bag or as customer`s requirement.

• Product description :

  Product specification:
  Appearance: White granular or powder
  Melting range("C): 170-180
  Volatile(%): ≤1.0
  Acid Number(mgKOH/g): ≤1.0
  Alkyl hydroxybenzene(%): ≤1.0
  Purity(%) : ≥95
  Application:
  This product is a high-performance solid organic phosphite antioxidant, which has a good protective effect on the color of the polymer, which is better than other phosphites. The combined use of oxygen agents can improve the thermal stability of the polymer processing process. This product is widely used in PE, PP, PS, polyamide, polycarbonate, ABS and other polymer materials after compounding with phenolic antioxidants.

• Molecular Structure :