Description

2,2'-Methylenebis[4-(1,1,3,3-Tetramethylbutyl)Phenol] is a high-purity phenolic antioxidant and chemical intermediate essential for stabilizing materials against oxidative degradation. Its value lies in its ability to act as a highly effective radical scavenger, extending the service life and maintaining the performance integrity of polymers and other sensitive formulations. This compound is a critical raw material for manufacturers in the polymer, rubber, and specialty chemical industries seeking reliable, high-performance stabilization solutions.

Application

• Polymer Stabilization: Primary antioxidant for polyolefins (e.g., polyethylene, polypropylene), engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation during processing and end-use.
• Rubber Industry: Used as an anti-aging agent in the production of tires, hoses, belts, and other rubber goods to enhance durability and resistance to cracking.
• Lubricant & Fuel Additive: Serves as an antioxidant additive in lubricating oils, greases, and fuels to inhibit sludge formation and viscosity increase.
• Adhesive & Sealant Formulations: Incorporated to improve the shelf-life and long-term stability of adhesive and sealant products.
• Chemical Intermediate: Utilized in the synthesis of more complex antioxidant molecules and other specialty chemicals.
• Coating Stabilizer: Protects industrial and protective coatings from oxidative yellowing and embrittlement.

Basic Information

Product Name	2,2'-Methylenebis[4-(1,1,3,3-Tetramethylbutyl)Phenol]
CAS No.	27725-17-3
Molecular Formula	C₃₃H₅₂O₂
Molecular Weight	480.77 g/mol
Synonyms	2,2'-Methylenebis(6-tert-octyl-p-cresol); Antioxidant 2246; Bis(2-hydroxy-3-tert-octyl-5-methylphenyl)methane; 2,2'-Methylenebis(4-tert-octylphenol); 2,2'-Methylenebis(6-tert-octyl-4-methylphenol); AO-2246; 4,4'-Methylenebis(2-tert-octyl-6-methylphenol); Phenol, 2,2'-methylenebis[6-(1,1,3,3-tetramethylbutyl)-4-methyl-]
EINECS	248-597-9

Quality Control

Our production of 2,2'-Methylenebis[4-(1,1,3,3-Tetramethylbutyl)Phenol] adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Melting Point	125 - 130 °C
Loss on Drying	≤ 0.5 %
Ash Content	≤ 0.1 %

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