Antioxidant 626

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.

CAS NO:26741-53-7

EC NO:247-952-5

Molecular Formula:C₃₃H₅₀O₆P₂

Molecular Weight:604.694

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;

Molecular Structure: