Description

2,2'-(2-Methylpropylidene)Bis[6-(1,1-Dimethylethyl)-p-Cresol] is a high-performance phenolic antioxidant widely recognized for its excellent stabilizing properties. This compound is critical for preventing oxidative degradation and extending the service life of various polymeric materials and industrial fluids. It is an essential additive for manufacturers in the polymer, rubber, lubricant, and fuel industries seeking to enhance product durability and performance under demanding conditions.

Application

• Polymer Stabilization: Primary antioxidant for polyolefins (PP, PE), engineering plastics, and synthetic rubbers to prevent thermal-oxidative degradation during processing and end-use.
• Rubber Industry: Used in the production of tires, hoses, belts, and other rubber goods to protect against aging and maintain elasticity.
• Lubricants & Greases: Antioxidant additive in engine oils, industrial lubricants, and greases to inhibit sludge formation and viscosity increase.
• Fuel & Petrochemicals: Stabilizer for gasoline, diesel, and other hydrocarbon-based fuels to prevent gum formation and oxidation during storage.
• Adhesives & Sealants: Enhances the shelf-life and long-term stability of adhesive formulations and sealant products.
• Wire & Cable Insulation: Protects polymeric insulation materials from oxidative breakdown, ensuring electrical safety and longevity.

Basic Information

Product Name	2,2'-(2-Methylpropylidene)Bis[6-(1,1-Dimethylethyl)-p-Cresol]
CAS No.	93803-56-6
Molecular Formula	C29H44O2
Molecular Weight	424.66 g/mol
Synonyms	2,2'-Methylenebis(6-tert-butyl-4-methylphenol); 2,2'-Methylenebis(6-tert-butyl-p-cresol); Antioxidant 2246; AO 2246; MBMC; Bis(6-tert-butyl-4-methyl-2-methylphenyl)methane; 4,4'-Methylenebis(2-tert-butyl-5-methylphenol); Lowinox 22M46
EINECS	Contact for details

Quality Control

Our production of 2,2'-(2-Methylpropylidene)Bis[6-(1,1-Dimethylethyl)-p-Cresol] adheres to stringent quality management systems to ensure batch-to-batch consistency and high purity. The product is manufactured and tested in compliance with relevant industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with each shipment and is available upon request.

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). Keep away from heat sources and incompatible materials. Under these conditions, the product remains stable for an extended period.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0 %
Melting Point	124 - 128 °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.