Antioxidant YFK-168

Molecular Weight: 646 Molecular Formula: C42H63O3P Gas#:31570-04-4 EINECS#:250-709-6

Chemical Name: Tris-(2.4-di-t-butyl-lphenyl)- phosphite

Molecular Weight: 646 

Molecular Formula: C42H63O3P

Gas#:31570-04-4

EINECS#:250-709-6

Structural Formula:  

    

Specifications:

Item		Requirements
Appearance		White crystalline powder
Melting Range		183°C~187°C
Solubility(2g/20ml,Toluene)		Clear solution
Transmission	425mm	≥  98%
	500mm	≥  98%
Volatiles		≤  0.3%
Acid value(mgKOH/g)		≤   0.3%
Purity		≥   99%
free2,4-di-tert.-butyl-phenol		≤   0.2%
Hydrolyzing Time(90°C,water)		> 14h

Properties : The product takes on an appearance of white powder ,without odor and smell. Soluble in benzene, chloroform, slight soluble in  esters insoluble in water 

Applications :Antioxidant YFK-168 is a kind of high effective solid phosphite ester antioxidant. which is superior to other phosphite ester in the effective protection of polymers’ color., Good synergistic with antioxidant. for example,YFK-1010,YFK-1076,applied in plastic contact food. It can be widely used for PE,PP,PS,ABS resin and many other polymer materials.. The amount to be used may be 0.1%~0.3%.

Package and Storage: Packed with plastic bag in composite plastic woven sack. net weight: 25Kg or according to customers' requirements. Store in a cool area designed for the storage of chemicals.

Period of Validity: Normally 24 months.

 

Antioxidant YFK-168