Antioxidant 626

Molecular Weight: 604 Molecular Formula: C33H50O6P2 Gas#: 26741-53-7 EINECS#: 247-952-5

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

Molecular Weight:  604

Molecular Formula: C33H50O6P2

Gas#: 26741-53-7

EINECS#:  247-952-5

Structural Formula:

 

Specifications: 

Item	Requirements
Appearance	White crystalline powder
Melting Point	≥170°C
Volatiles	≤1%
free 2,4-di-tert.-butyl-phenol,wt	≤2%
Acid value(mgKOH/g)	≤1%

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-626 is a kind of high effective solid phosphite ester antioxidant. With is superior to other phosphate 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 so on. Beside the product can be widely used as light  stabilizer The amount to be used may be 0.1%~0.2%

Package and Storage: cardboard boxes with aluminum foil liners, net weight: 20Kg. or according to customers' requirements. Store in a cool area designed for the storage of chemicals.

Period of Validity: Normally 6 months. 

Antioxidant 626