Description

2,4-Di-tert-Butyl-6-(3,5-Di-tert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)-2,4-Cyclohexadien-1-One is a high-performance, sterically hindered phenolic compound that serves as a critical intermediate and functional additive. Its unique quinone methide structure provides exceptional stability and radical scavenging properties, making it valuable for advanced material synthesis. This product is essential for manufacturers in the polymer, specialty chemical, and research sectors seeking to enhance product longevity and performance under demanding conditions.

Application

• Polymer Stabilizer: Acts as a high-efficiency antioxidant and light stabilizer in polyolefins, engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation.
• Chemical Intermediate: Serves as a key building block for synthesizing more complex hindered phenol antioxidants and specialty organic compounds.
• Lubricant & Fuel Additive: Used in formulating advanced lubricants and fuels to improve oxidative stability and extend service life.
• Research & Development: Employed in academic and industrial R&D for studying free radical chemistry, polymerization processes, and material science.
• Adhesive & Coating Formulations: Incorporated into high-performance adhesives and coatings to enhance durability and resistance to environmental aging.

Basic Information

Product Name	2,4-Di-tert-Butyl-6-(3,5-Di-tert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)-2,4-Cyclohexadien-1-One
CAS No.	14328-90-6
Molecular Formula	C28H40O2
Molecular Weight	408.62 g/mol
Synonyms	2,4-Di-tert-butyl-6-[(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]phenol; 2,6-Di-tert-butyl-4-(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)phenol; Phenol, 2,4-di-tert-butyl-6-[(3,5-di-tert-butyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-; Quinone methide derivative; Hindered phenolic quinone methide; Antioxidant Intermediate 14328-90-6
EINECS	Contact for details

Quality Control

Every batch of our 2,4-Di-tert-Butyl-6-(3,5-Di-tert-Butyl-4-Oxo-2,5-Cyclohexadien-1-Ylidene)-2,4-Cyclohexadien-1-One is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards and provide comprehensive Certificates of Analysis (COA) for traceability and quality assurance. Our commitment to consistent purity and reliable supply supports your critical production and research needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is light-sensitive and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation to maintain optimal quality. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to orange 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.