Description

3,3',5,5'-Tetramethyl-4,4'-Di(2-Hydoxethanyoxy)Biphenyl is a specialized biphenyl derivative featuring ethoxy-functionalized aromatic rings. This compound matters as a high-performance intermediate, offering a unique combination of steric bulk and reactive hydroxyl groups for advanced material synthesis. It is primarily needed by R&D and production teams in the polymer and specialty chemical industries for creating tailored monomers, cross-linking agents, and liquid crystal materials.

Application

• As a key monomer or chain extender in the synthesis of high-performance engineering plastics and polyesters.
• Utilized as a building block for advanced epoxy resin systems, contributing to thermal stability and mechanical properties.
• Employed in the development of specialty polymers for optical and electronic applications, including liquid crystal polymers (LCPs).
• Serves as an intermediate for synthesizing antioxidants and UV stabilizers for polymer formulations.
• Used in organic synthesis and pharmaceutical research for creating complex molecular architectures.
• Acts as a cross-linking agent or curing agent in thermoset resin formulations.

Basic Information

Product Name	3,3',5,5'-Tetramethyl-4,4'-Di(2-Hydoxethanyoxy)Biphenyl
CAS No.	120703-31-3
Molecular Formula	C24H34O4
Molecular Weight	386.53 g/mol
Synonyms	4,4'-[1,1'-Biphenyl]-4,4'-diylbis(oxy-2,1-ethanediyl)]bis[2,6-dimethylphenol]; 2,2'-[Biphenyl-4,4'-diylbis(oxy-2,1-ethanediyloxy)]bis[4,6-dimethylphenol]; 4,4'-Bis(2-hydroxyethoxy)-3,3',5,5'-tetramethylbiphenyl; Tetramethyl Biphenyl Diol Ethoxylate; Biphenyl Ethoxylate Diol; TMBP-EO; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 3,3',5,5'-Tetramethyl-4,4'-Di(2-Hydoxethanyoxy)Biphenyl is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are 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, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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