Description

2,4,6-Tri-tert-Butyl-4-[(2,5,8-Tri-tert-Butyl-1,3,5-Cyclooctatrien-1-Yl)Oxy]-2,5-Cyclohexadien-1-One is a high-purity, sterically hindered phenolic compound that functions as a highly effective antioxidant and radical scavenger. Its complex molecular structure provides exceptional stability, making it a critical additive for protecting sensitive materials from oxidative degradation. This product is essential for R&D and manufacturing in advanced polymer science, specialty chemical synthesis, and high-performance material stabilization.

Application

• Polymer Stabilizer: Primary antioxidant for high-temperature processing and long-term thermal aging protection of engineering plastics, elastomers, and synthetic fibers.
• Advanced Material Additive: Used in the formulation of specialty coatings, adhesives, and composites to prevent oxidative cross-linking and maintain material properties.
• Chemical Intermediate: Serves as a key building block in organic synthesis for creating novel hindered phenol derivatives and complex macromolecules.
• Lubricant & Fuel Additive: Enhances the oxidative stability of synthetic lubricants, greases, and industrial fuels under severe operating conditions.
• Research & Development: A valuable reference standard and reagent for studying free radical chemistry, polymerization mechanisms, and antioxidant efficacy.
• Electronic Materials: Potential application in protecting sensitive components in electronic encapsulants and insulating materials from thermal-oxidative stress.

Basic Information

Item	Details
Product Name	2,4,6-Tri-tert-Butyl-4-[(2,5,8-Tri-tert-Butyl-1,3,5-Cyclooctatrien-1-Yl)Oxy]-2,5-Cyclohexadien-1-One
CAS No.	25435-86-3
Molecular Formula	C44H66O2
Molecular Weight	627.00 g/mol
Synonyms	4-[(2,5,8-Tri-tert-butyl-1,3,5-cyclooctatrien-1-yl)oxy]-2,4,6-tri-tert-butyl-2,5-cyclohexadien-1-one; Tris(1,1-dimethylethyl)-4-[(2,5,8-tris(1,1-dimethylethyl)-1,3,5-cyclooctatrien-1-yl)oxy]-2,5-cyclohexadien-1-one; Hindered Phenolic Antioxidant 25435-86-3; Multi-tert-butyl substituted cyclohexadienone derivative; CAS 25435-86-3
EINECS	Contact for details

Quality Control

Every batch of 2,4,6-Tri-tert-Butyl-4-[(2,5,8-Tri-tert-Butyl-1,3,5-Cyclooctatrien-1-Yl)Oxy]-2,5-Cyclohexadien-1-One is manufactured and tested under a strict quality management system. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing purity, identity, and key physical parameters.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to light and oxidation, prolonged exposure to air or light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.