Antioxidant 168

• Post Date:

  Jul 05,2025

• Expiry Date:

  Jan 01,2026

• Detailed Description:

  Cas No. :31570-04-4

  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.

• CAS Registry Number:

  31570-04-4

• Synonyms:

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

• Molecular Formula:

  C₁₄H₂₁O₃P

• Molecular Weight:

  268.2896

• Molecular Structure:

  

• Company:

  STAR CHEMICALS AND CATALYSTS CO,.LTD.     [ China ]          

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