Description

2-[[2-(Acetyloxy)-3-(1,1-Dimethyl-Ethyl)-5-Methylphenyl]Methyl]-6-(1,1-Dimethylethyl)-4-Methylphenol is a high-performance phenolic antioxidant, specifically a hindered phenol derivative, widely recognized for its efficacy in stabilizing polymers and organic materials against oxidative degradation. Its primary value lies in its ability to interrupt the free-radical chain reaction, thereby significantly extending the service life and maintaining the physical properties of sensitive formulations. This compound is essential for manufacturers in the polymer, rubber, lubricant, and specialty chemical industries who require reliable, long-term stabilization for their products under demanding conditions.

Application

• Polymer Stabilization: Primary antioxidant for polyolefins (PP, PE), engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation during processing and end-use.
• Lubricant & Fuel Additive: Used in engine oils, industrial lubricants, greases, and fuels to inhibit oxidation, reduce sludge formation, and extend fluid life.
• Adhesive & Sealant Formulations: Protects the organic binders in adhesives, sealants, and caulks from premature aging and loss of elasticity.
• Elastomer Production: Critical for stabilizing synthetic rubbers like SBR, BR, and NBR during manufacturing and in finished goods such as tires and belts.
• Coating & Resin Systems: Provides oxidative stability to alkyd resins, acrylics, and other coating systems to prevent yellowing and embrittlement.
• Food Contact Materials: For use in polymer applications where regulatory compliance for indirect food contact is required (subject to specific grade and regional approvals).
• Technical & Industrial Oils: Antioxidant for transformer oils, hydraulic fluids, and other industrial oil formulations.

Basic Information

Product Name	2-[[2-(Acetyloxy)-3-(1,1-Dimethyl-Ethyl)-5-Methylphenyl]Methyl]-6-(1,1-Dimethylethyl)-4-Methylphenol
CAS No.	41620-33-1
Molecular Formula	C27H38O3
Molecular Weight	410.59 g/mol
Synonyms	Phenol, 2-[[2-(acetyloxy)-3-(1,1-dimethylethyl)-5-methylphenyl]methyl]-6-(1,1-dimethylethyl)-4-methyl-; 2,2'-Methylenebis(6-tert-butyl-4-methylphenyl) acetate; Antioxidant 702; Irganox 702; Lowinox 22M46; AO-702; 2,2'-Methylenebis(4-methyl-6-tert-butylphenyl) acetate; 4-Methyl-2,6-ditert-butylphenol acetate derivative
EINECS	255-422-4

Quality Control

Our production of 2-[[2-(Acetyloxy)-3-(1,1-Dimethyl-Ethyl)-5-Methylphenyl]Methyl]-6-(1,1-Dimethylethyl)-4-Methylphenol adheres to stringent quality management systems. Every batch undergoes comprehensive analytical testing, including assay, purity profiling, and identification, to ensure it meets precise customer specifications and industry benchmarks. Certificates of Analysis (COA) documenting all critical parameters are provided as standard, ensuring full traceability and compliance for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	125°C - 130°C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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