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Atomfair Tris(tridecan-1-yl) phosphite C39H81O3P

Description Tris(tridecan-1-yl) phosphite (CAS No. 77745-66-5) is a high-purity organophosphorus compound with the molecular formula C39H81O3P. This specialty chemical, also known as tritridecyl phosphite, is widely utilized as a stabilizer and antioxidant in polymer formulations, particularly in the plastics and rubber industries. Its long hydrophobic alkyl chains (tridecyl groups) enhance compatibility with non-polar matrices, making it an excellent choice for polyolefins, PVC, and synthetic elastomers. The compound acts as a secondary antioxidant by decomposing hydroperoxides and scavenging free radicals, thereby extending the lifespan of polymeric materials under oxidative stress. Available in liquid form, it exhibits low volatility and high thermal…

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Description

Description

Tris(tridecan-1-yl) phosphite (CAS No. 77745-66-5) is a high-purity organophosphorus compound with the molecular formula C39H81O3P. This specialty chemical, also known as tritridecyl phosphite, is widely utilized as a stabilizer and antioxidant in polymer formulations, particularly in the plastics and rubber industries. Its long hydrophobic alkyl chains (tridecyl groups) enhance compatibility with non-polar matrices, making it an excellent choice for polyolefins, PVC, and synthetic elastomers. The compound acts as a secondary antioxidant by decomposing hydroperoxides and scavenging free radicals, thereby extending the lifespan of polymeric materials under oxidative stress. Available in liquid form, it exhibits low volatility and high thermal stability, ensuring consistent performance during high-temperature processing. Suitable for research, industrial applications, and material science studies, this product is supplied with comprehensive analytical documentation including GC/MS and NMR data to guarantee quality and traceability.

  • CAS No: 77745-66-5
  • Molecular Formula: C39H81O3P
  • Molecular Weight: 629.0
  • Exact Mass: 628.59233344
  • Monoisotopic Mass: 628.59233344
  • IUPAC Name: tritridecyl phosphite
  • SMILES: CCCCCCCCCCCCCOP(OCCCCCCCCCCCCC)OCCCCCCCCCCCCC
  • Synonyms: Tris(tridecan-1-yl) phosphite, EINECS 223-821-8, tris(tridecyl) phosphite, 223-821-8, 4089-53-6

Application

Tris(tridecan-1-yl) phosphite is primarily employed as a hydrolytically stable phosphite antioxidant in polyolefin production, effectively preventing thermal degradation during extrusion and molding. It synergizes with phenolic antioxidants to enhance UV resistance in automotive plastics and packaging materials. The compound also finds use as a ligand in organometallic catalysis and as a stabilizer in synthetic lubricants due to its metal-deactivating properties.

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