Description

4,4'-Benzylidenebis(2,6-Dimethylphenol) is a high-purity phenolic antioxidant and polymerization inhibitor. This compound is valued for its ability to effectively scavenge free radicals and stabilize materials against oxidative degradation, thereby extending product shelf life and performance. It is a critical raw material for manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance the thermal and oxidative stability of their formulations.

Application

• Polymer Stabilizer: Primary antioxidant in polyolefins (e.g., polyethylene, polypropylene), engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation during processing and end-use.
• Rubber Additive: Used in the production of tires, belts, hoses, and other rubber goods to inhibit aging and maintain elasticity and mechanical properties.
• Lubricant & Fuel Additive: Antioxidant component in industrial lubricants, greases, and fuels to reduce sludge formation and viscosity increase.
• Adhesive & Sealant Formulations: Enhances the long-term stability and performance of high-temperature adhesives, sealants, and coatings.
• Chemical Intermediate: Serves as a building block for the synthesis of more complex antioxidants, UV stabilizers, and other specialty chemicals.
• Elastomer Production: Acts as a non-staining, non-discoloring antioxidant in the manufacture of white or light-colored rubber and plastic products.

Basic Information

Product Name	4,4'-Benzylidenebis(2,6-Dimethylphenol)
CAS No.	53103-37-0
Molecular Formula	C23H24O2
Molecular Weight	332.44 g/mol
Synonyms	2,2'-Methylenebis(4,6-dimethylphenol); 4,4'-Methylenebis(2,6-dimethylphenol); Bis(2,6-dimethyl-4-hydroxyphenyl)methane; Antioxidant 702; Phenol, 4,4'-methylenebis[2,6-dimethyl-]; Lowilite 20; AO 702; BBM
EINECS	Contact for details

Quality Control

Our production of 4,4'-Benzylidenebis(2,6-Dimethylphenol) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical parameters 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). This product is easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen blanket). 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	155°C - 165°C
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.