Description

4,4'-Methylenebis(2,6-Dimethylphenol) is a high-purity bisphenol derivative widely used as a key monomer and antioxidant intermediate in advanced polymer synthesis. Its symmetrical, sterically hindered phenolic structure provides excellent thermal stability and radical scavenging properties, making it a critical component for enhancing material performance. This compound is essential for manufacturers in the polymer, specialty chemical, and pharmaceutical industries seeking to develop high-performance resins, stabilizers, and fine chemicals.

Application

• Polymer Intermediate: A crucial monomer for synthesizing high-performance engineering plastics, epoxy resins, and polycarbonates with enhanced thermal and oxidative stability.
• Antioxidant/Anti-aging Agent: Used as a primary antioxidant or a precursor in the production of stabilizers for polymers, lubricants, and elastomers to prevent degradation.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of certain active pharmaceutical ingredients (APIs) and drug candidates.
• Curing Agent for Epoxy Resins: Functions as a hardener or co-curing agent in epoxy systems, contributing to improved mechanical and thermal properties of the cured material.
• Specialty Chemical Synthesis: Employed in organic synthesis to create complex molecules for agrochemicals, dyes, and other fine chemicals.
• Additive for Fuel and Lubricants: Acts as an antioxidant additive to improve the oxidation stability of fuels, oils, and greases.

Basic Information

Product Name	4,4'-Methylenebis(2,6-Dimethylphenol)
CAS No.	5384-21-4
Molecular Formula	C17H20O2
Molecular Weight	256.34 g/mol
Synonyms	2,2'-Methylenebis(4,6-dimethylphenol); 4,4'-Methylenebis(2,6-xylenol); MBX; Bis(2,6-dimethyl-4-hydroxyphenyl)methane; 2,2'-Dihydroxy-3,3',5,5'-tetramethyldiphenylmethane; Phenol, 4,4'-methylenebis[2,6-dimethyl-; Antioxidant 702
EINECS	226-352-1

Quality Control

Our production of 4,4'-Methylenebis(2,6-Dimethylphenol) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC, GC, and NMR. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles to meet your specific application requirements.

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 heat, sparks, and open flame. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	155°C - 160°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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