Description

β,β'-(1,4-Phenylene)Bis[(E)-2-Methylstyrene] is a high-purity, symmetrical organic compound featuring a central phenylene core linked to two (E)-2-methylstyrene groups. This molecular architecture makes it a valuable advanced intermediate or monomer for the synthesis of specialized polymers and functional materials. It is primarily sought by R&D chemists and material scientists in the fine chemical, polymer, and advanced material development sectors.

Application

• Polymer Chemistry: As a difunctional monomer for the synthesis of specialty polymers, including polyarylenevinylenes and other conjugated polymers for electronic applications.
• Material Science: A key building block in the development of organic semiconductors, liquid crystal materials, and photoresponsive compounds.
• Pharmaceutical Intermediates: Serves as a sophisticated precursor in the multi-step synthesis of complex active pharmaceutical ingredients (APIs) and drug candidates.
• Cross-linking Agent: Used to introduce rigid, aromatic cross-links into polymer networks to enhance thermal stability and mechanical properties.
• Organic Synthesis: A versatile intermediate for constructing complex molecular frameworks in academic and industrial research settings.
• Advanced Resins: Potential use in formulating high-performance, heat-resistant resins for coatings and composites.

Basic Information

Product Name	β,β'-(1,4-Phenylene)Bis[(E)-2-Methylstyrene]
CAS No.	66726-71-4
Molecular Formula	C26H24
Molecular Weight	336.47 g/mol
Synonyms	1,4-Bis[(E)-2-(2-methylphenyl)ethenyl]benzene; 1,4-Bis(2-methylstyryl)benzene; p-Bis(2-methylstyryl)benzene; (E,E)-1,4-Bis(2-methylstyryl)benzene; 4,4'-(1,4-Phenylenedi-2,1-ethenediyl)bis[1-methylbenzene]; trans,trans-1,4-Bis(2-methylstyryl)benzene; B,B'-(1,4-Phenylene)di-2-methylstyrene
EINECS	Contact for details

Quality Control

Our β,β'-(1,4-Phenylene)Bis[(E)-2-Methylstyrene] is manufactured under strict quality protocols. Every batch undergoes rigorous analytical testing including HPLC, NMR, and GC-MS to ensure identity, purity, and isomer consistency. We provide comprehensive Certificates of Analysis (COA) upon request, detailing all relevant specifications to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area at room temperature (15-25°C). This compound is easily oxidized and light-sensitive; prolonged exposure to air or light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Isomeric Purity ((E,E)-Isomer)	≥ 95.0%
Melting Point	Contact for details
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.