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Antioxidant 626

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Zhejiang

  • Validity to:

    Long-term effective

  • Last update:

    2017-06-30 03:45

  • Browse the number:

    312

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Company Profile

Hangzhou Jingyou Chemical Co.,Ltd

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Contact: jyhg(Mr.)  

Email:

Telephone:

Phone:

Area: Zhejiang

Website: http://www.jingyouchemical.com/ http://www.rphytc.com/com/jyhg/

Product details

ANTIOXIDANT 626
Chemical Name:  Bis(2.4-di-t-butylphenyl) Pentaerythritol Diphosphite

Molecular formula

C33H50O6P2

Molecular Weight

606 

CAS# 

26741-53-7

Introduction:  The product takes on an appearance of white crystalline powder or grains. The melt point ranges from 160℃ to 180℃. Flash point: 168℃ kindling point: 421℃ stacking density: 0.43g/mL lower limit concentration of dust explosion: 0.12Kg/m3 explosion index: 0.37 soluble in organic solvents like toluene, dichloromethane, and slightly soluble in alcohols but insoluble in water.
Physical Properties:

Appearance: 

White crystalline powder or grains 

Acid value:(mg KOH/g) 

≤1.0% 

Melting Range:

≥160℃

Volatiles: 

≤1.0% 

free 2,4-di-tert.-butyl-phenol,: (%) 

≤1.0%

Applications: The product is a kind of 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 AT-10) 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.
Package: cardboard boxes with plastic liners, net weight: 20Kg / box.
Storage: Because of the low performance on hydrolyzing resistance, protection from moisture and heat is needed.
Period of Validity:  About 6 months