Antioxidant 168 CAS No 31570 04 4
Antioxidant 168 CAS No 31570-04-4
Antioxidant 168 CAS No 31570-04-4

Antioxidant 168 CAS No 31570 04 4

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Product Overview

Description



Product Description




































ANTIOXIDANT 168



  Chemical Name:  Tris-(2.4-di-t-butylphenyl)- phosphite




















Molecular formula



C42H63O3P



 



     Molecular Weight



646



CAS No



31570-04-4



 



Introduction:  This product is soluble in resin and has the characteristic of low volatile, high heat resisting, pump resisting, implosion and non-discoloration. At present, it is the best processing stabitor in China.



Physical Properties:






























Appearance:



White to offwhite powder



Purity:



≥99%



Melting Range:



183-187℃



Acid value:(mg KOH/g)



≤0.3%



Light Transmittance:



425nm≥98%
500nm≥98%



Volatiles:



≤0. 3%



Hydrolyze time:(h)



≥14



2,4-t-butyl-phenol (%)



≤0.2



 



Solubility: (At 20℃g/100ml solvent)


















Water



Insoluble



Acetone



1



Benzene



34



Ethyl Acetate



4



 



 


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 1010) to prepare com-posite 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: Net 25KGS/two-layer PE bag in carton/drum, or as required



 


Storage: Because of the low performance on hydrolyzing resistance, protectionfrom moisture and heat is needed.



 


Period of Validity:  About 2 years 



 





Packaging & Shipping


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l Net weight 25kg bags. It can also be designed according to customers' requirements.


 





Application


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Main products


 


Optical brighteners: OB  OB-1 OB-3, KCB  FP-127  KSN  MDAC(SWN)  CBS-X

Light stabilizers:     622  770  944  292  783

UV absorbers:          UV-531  UV-9(BP-3)  UV-P  UV-326  UV-327  UV-328  UV-329  UV-571  UV-284(BP-4) 

Antioxidants:          1010  168  BHT  B225  2246  425  DTBHQ

Pigments:                 Red 122  Red 112  Violet 19  Violet 23  Yellow 110  Yellow 138  Yellow 74  Yellow 183 

Slip agents:                  Oleamide  Erucamide

 




Our Services


 


We have exact inventory plans to guarantee stable supply.


 


We have many years’ experience of chemical logistics and dangerous chemical managers with specially trained, which ensure the safety and right of chemicals, timely logistics.


 


Our laboratory takes strictly testing on every lot of goods according to customers’ requirement. Meanwhile we has good relationship with the third party company SGS.


 


After-sales service is the important part in our service. If there are quality problems, we will actively cooperate with the customers and solve the problems early.


 


We expect to become good partners with our customers for long.


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Company Information


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FAQ


 


Q: Do you have any certificate for quality?


 A: Yes, we have ISO9001:2008 quality system certificate and REACH.


 


Q: Can you customize products?


A: Yes, we can.


 


Q: Can you provide samples for quality checking before placing an order?


A: Samples are avaliable upon request, but the shipping cost should be paid by customer.


 


Q: How to get the price list?


A: Please inqire us by alibaba/email.


 


Q: What's your payment term?


A: TT/LC/DA/DP/Paypal




   


 


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