Description

[2-Tert-butyl-4-[1-[5-tert-butyl-4-di(tridecoxy)phosphanyloxy-2-methylphenyl]butyl]-5-methylphenyl] ditridecyl phosphite (CAS: 13003-12-8) is a high-purity organophosphorus compound with the molecular formula C₇₈H₁₄₄O₆P₂. This specialized chemical features a complex sterically hindered phenolic and phosphite structure, making it an excellent candidate for advanced applications in polymer stabilization, catalysis, and material science. Its ditridecyl phosphite groups enhance solubility in non-polar matrices, while the tert-butyl substituents provide exceptional thermal and oxidative stability. Supplied as a clear to pale yellow viscous liquid, this compound is rigorously tested to meet the highest standards of purity and performance. Ideal for researchers developing next-generation antioxidants, flame retardants, or ligand systems for transition metal catalysis.

Properties

• CAS Number: 13003-12-8
• Complexity: 1280
• IUPAC Name: [2-tert-butyl-4-[1-[5-tert-butyl-4-di(tridecoxy)phosphanyloxy-2-methyl-phenyl]butyl]-5-methyl-phenyl] ditridecyl phosphite
• InChI: InChI=1S/C78H144O6P2/c1-14-19-23-27-31-35-39-43-47-51-55-60-79-85(80-61-56-52-48-44-40-36-32-28-24-20-15-2)83-75-64-68(6)71(66-73(75)77(8,9)10)70(59-18-5)72-67-74(78(11,12)13)76(65-69(72)7)84-86(81-62-57-53-49-45-41-37-33-29-25-21-16-3)82-63-58-54-50-46-42-38-34-30-26-22-17-4/h64-67,70H,14-63H2,1-13H3
• InChI Key: BWCBWCHWFIPXMJ-UHFFFAOYSA-N
• Exact Mass: 1239.04381630
• Molecular Formula: C78H144O6P2
• Molecular Weight: 1239.9
• SMILES: CCCCCCCCCCCCCOP(OCCCCCCCCCCCCC)OC1=C(C=C(C(=C1)C)C(CCC)C2=CC(=C(C=C2C)OP(OCCCCCCCCCCCCC)OCCCCCCCCCCCCC)C(C)(C)C)C(C)(C)C
• Topological: 55.4
• Monoisotopic Mass: 1239.04381630
• Synonyms: 13003-12-8, [2-tert-butyl-4-[1-[5-tert-butyl-4-di(tridecoxy)phosphanyloxy-2-methylphenyl]butyl]-5-methylphenyl] ditridecyl phosphite, SCHEMBL380845, DTXSID60893197, BWCBWCHWFIPXMJ-UHFFFAOYSA-N, 4,4′-Butylidenebis(6-tert-butyl-3-methylphenyl ditridecyl phosphite)

Application

This compound is primarily used as a high-performance antioxidant and stabilizer in polymer systems, particularly for polyolefins and elastomers where long-term thermal stability is required. Its bulky molecular structure makes it effective at scavenging free radicals and preventing chain scission at elevated temperatures. Researchers also employ it as a ligand in organometallic catalysis due to its electron-donating phosphite groups. The material shows promise in specialty lubricant formulations where both oxidation resistance and metal passivation are needed.

Safety and Hazards

GHS Hazard Statements

• Not Classified
• Reported as not meeting GHS hazard criteria by 107 of 107 companies. For more detailed information, please visit ECHA C&L website.

Hazard Classes and Categories

• Not Classified

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