Description

2,2'-(3,5,5-Trimethylhexylidene)Bis[4,6-Dimethylphenol] is a sterically hindered phenolic compound that functions as a highly effective antioxidant and stabilizer. Its molecular structure provides excellent protection against oxidative degradation and thermal aging in various polymer systems. This product is essential for manufacturers in the polymer and rubber industries seeking to enhance the longevity and performance stability of their materials.

Application

• Primary antioxidant and stabilizer for polyolefins such as polyethylene (PE) and polypropylene (PP).
• Thermal stabilizer in the production of synthetic rubbers and elastomers.
• Additive in adhesives and sealants to prevent premature curing and degradation.
• Stabilizing component in lubricants and greases to extend service life under high-temperature conditions.
• Used in the formulation of hot melt adhesives to maintain viscosity and color stability.
• Protective agent for engineering plastics against oxidative breakdown during processing and end-use.

Basic Information

Product Name	2,2'-(3,5,5-Trimethylhexylidene)Bis[4,6-Dimethylphenol]
CAS No.	7292-14-0
Molecular Formula	C27H40O2
Molecular Weight	396.61 g/mol
Synonyms	2,2'-Methylenebis(4,6-dimethylphenol); 4,4'-Methylenebis(2,6-dimethylphenol); Antioxidant 2246; Bis(4-hydroxy-3,5-dimethylphenyl)methane derivative; Lowinox® 22M46; Ethanox® 2246; AO-2246; 3,5,5-Trimethylhexylidene bis(4,6-dimethylphenol)
EINECS	Contact for details

Quality Control

Our 2,2'-(3,5,5-Trimethylhexylidene)Bis[4,6-Dimethylphenol] is manufactured under a strict quality management system. The product undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, and performance. Certificates of Analysis (COA) 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, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Melting Point	120 - 125 °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.