antioxidant YFK-168

Antioxidant 168 is a kind of high effective solid phosphite ester antioxidant.

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

Molecular Weight: 646

Molecular Formula: C42H63O3P

Gas#:31570-04-4

EINECS#:250-709-6

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,sparingly 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.Net25kg/bag,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