Antioxidant 168 31570-04-4

Category :

Catalyst and Auxiliary/Other Auxiliary Agent

CAS NO :

31570-04-4

EC NO :

250-709-6

MF :

C₁₄H₂₁O₃P

MW :

268.2896

Packing :

25 kg carton

Product description :

CAS No. [31570-04-4]
Chemical name: Tris-(2.4-di-t-butylphenyl)- phosphite
Molecular formula: C₄₂H₆₃O₃P
Molecular weight: 646.94
Specification:
Appearance: white crystalline powder
Melting point: 182 186.5癈
Acidity, mg KOH/g: 0.3% max.
Volatiles: 0.5% max.
Free 2,4-di-tert.-butyl-phenol: 0.2% max.
Transmittance:
425 nm: 97% min.
500 nm: 98% min.
Assay: 99% min.
Solubility: clear solution
Packing: 25 kg carton
Usage:
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 Antioxidant 1010) 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.

Usage :

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 Antioxidant 1010) to pr

Synonyms :

Tris(2,4-di-tert-butylphenyl) Phosphite;Antioxidant 168;IRGAFOS 168;Antioxidant JX-168;

Molecular Structure :

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Antioxidant 168

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