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

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

Basic Info

Model No.:  Antioxidants

Product Description

Model NO.: Antioxidants Type: Antioxidants Color: White Purity: 95.0% Min Molecular Formula: C33h50o6p2 Trademark: SWC Classification: Chemical Additives Appearance: Powder CAS: 26741-53-7 Melting Point: 170.0-180.0°c Min Molecular Weight: 604.69 Origin: China 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
Item Specification
Appearance White crystalline powder
Purity 95.0% min
Melting point 170.0-180.0°C min
Volatiles 1.0% max
Acid value 1.0mgKOH/g max
Free 2,4-di-t-butylphenyl   1.0% max

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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Product Categories : Plastic, Additives And Resins

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