Bis (2, 4-DI-TERT-BUTYLPHENYL) Pentaerythritol Diphosphitecas. No: 26741-53-7 Plastic Additives Antioxidants

Product Name  BIS(2,4-DI-TERT-BUTYLPHENYL) PENTAERYTHRITOL DIPHOSPHITE

Identification
Synonyms   Ultranox 626;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
Molecular Formula C33H50O6P2
Molecular Weight  604.69
CAS Number  26741-53-7
EINECS/ELINCS 247-952-5

Properties
Appearance  white crystalline powder
Melting Point  170-180°C

Specification

Application
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 principal antioxidant (such as Antioxidant 1010) to prepare composite antioxidant which improves the thermo-stability of polymer processing, thus making it widely applied in PE, PP, PS, PA, PC, ABS and many other polymer materials. Reference dosage at 0.1%-0.3%.

Packing and Storage
Packing  In 25kgs net plastic bag into Aluminum bag with nitrogen protection into carton.
Storage  Keep container tightly closed. Away from moisture ad heat to avoid hydrolysis.  

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