CAS No. [6683-19-8]
Chemical name: Pentaerythritol-tetra-[β-(3,5-di-tert-butyl-4-hydroxyphenyl)-propionate]
Molecular formula: C₇₃H₁₀₈O₁₂
Molecular weight: 1177.65
Specification:
      Appearance: white crystalline powder
      Melting point: 110 - 125°C
      Ash: 0.1% max.
      Volatiles: 0.5% max.
      Transmittance:
                425 nm: 97% min.
                500 nm: 98% min.
      Content: 98% min.
      Solubility (2.5g/25ml toluene): clear
Packing: 25 kg carton
Usage:
      This product is that a kind of pluralism is obstructed the phenol type and resisted oxygen pharmaceutical, have very good compatibility with most polymer. There is good function of changing color of preventing the light and heat from causing. Used PE, PP, PS, polyamide, polyformaldehyde, ABS resin, PVC, synthetic rubber, etc. in the high polymer material extensively. Used for preventing the hot oxygen of the oil and coating from wearing out too.

Molecular structure: