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Atomfair 4,4′-Methylenebis[2,6-di-tert-butylphenol] Ionox 220, Binox M, Antioxidant E 702 C29H44O2

Description 4,4′-Methylenebis[2,6-di-tert-butylphenol] (CAS No. 118-82-1) is a high-performance sterically hindered phenolic antioxidant widely used in polymer stabilization and industrial applications. With the molecular formula C29H44O2, this compound effectively inhibits oxidative degradation by scavenging free radicals, thereby extending the lifespan of materials exposed to heat, light, and mechanical stress. Its IUPAC name, 2,6-ditert-butyl-4-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]phenol , reflects its robust molecular structure, which ensures excellent thermal stability and low volatility. Available under trade names such as Ionox 220 , Binox M , and Antioxidant E 702 , this product is ideal for polyolefins, lubricants, adhesives, and elastomers. Packaged under inert conditions to maintain purity,…

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Description

Description

4,4′-Methylenebis[2,6-di-tert-butylphenol] (CAS No. 118-82-1) is a high-performance sterically hindered phenolic antioxidant widely used in polymer stabilization and industrial applications. With the molecular formula C29H44O2, this compound effectively inhibits oxidative degradation by scavenging free radicals, thereby extending the lifespan of materials exposed to heat, light, and mechanical stress. Its IUPAC name, 2,6-ditert-butyl-4-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]phenol, reflects its robust molecular structure, which ensures excellent thermal stability and low volatility. Available under trade names such as Ionox 220, Binox M, and Antioxidant E 702, this product is ideal for polyolefins, lubricants, adhesives, and elastomers. Packaged under inert conditions to maintain purity, it is supplied as a white to off-white crystalline powder with ??98% assay.

  • CAS No: 118-82-1
  • Molecular Formula: C29H44O2
  • Molecular Weight: 424.7
  • Exact Mass: 424.334130642
  • Monoisotopic Mass: 424.334130642
  • IUPAC Name: 2,6-ditert-butyl-4-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]phenol
  • SMILES: CC(C)(C)C1=CC(=CC(=C1O)C(C)(C)C)CC2=CC(=C(C(=C2)C(C)(C)C)O)C(C)(C)C
  • Synonyms: 118-82-1, 4,4′-METHYLENEBIS(2,6-DI-TERT-BUTYLPHENOL), Ionox 220, Binox M, Antioxidant E 702

Application

4,4′-Methylenebis[2,6-di-tert-butylphenol] is primarily used as an antioxidant in polypropylene (PP), polyethylene (PE), and other polymers to prevent thermal and oxidative degradation during processing and end-use. It also serves as a stabilizer in synthetic lubricants and greases, enhancing their performance under high-temperature conditions. Additionally, this compound finds applications in adhesives, rubber products, and coatings where long-term durability is critical.

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