2,2'-Methylene bis(6-tert-butyl-4-ethylphenol)

• CAT Number: R069891
• CAS Number: 88-24-4
• Molecular Formula: C25H36O2
• Molecular Weight: 368.56
• Purity: ≥95%
• Storage: RT
• IUPAC Name: 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol
• InChI: InChI=1S/C25H36O2/c1-9-16-11-18(22(26)20(13-16)24(3,4)5)15-19-12-17(10-2)14-21(23(19)27)25(6,7)8/h11-14,26-27H,9-10,15H2,1-8H3
• InChIKey: GPNYZBKIGXGYNU-UHFFFAOYSA-N
• SMILES: CCC1=CC(=C(C(=C1)C(C)(C)C)O)CC2=C(C(=CC(=C2)CC)C(C)(C)C)O

2,2′-Methylene bis(6-tert-butyl-4-ethylphenol)（Cat No.:R069891）is a sterically hindered bisphenol antioxidant used to prevent oxidative degradation in polymers, lubricants, and fuels. This compound features two phenolic rings, each substituted with tert-butyl and ethyl groups, connected via a methylene bridge. Its bulky structure enhances thermal stability and radical scavenging efficiency, making it especially effective in high-temperature applications. Commonly used in rubber and plastic manufacturing, it extends the service life of materials by neutralizing peroxyl radicals. Its low volatility and compatibility with various formulations make it a valuable additive in industrial stabilization systems.