Description

Phenol, 4,4'-[2-(4-Bromophenyl)-2-Phenylethenylidene]Bis- is a specialized brominated phenolic compound with a complex molecular structure, serving as a high-value intermediate in advanced organic synthesis. Its unique conjugated system and bromine substitution make it a critical building block for creating materials with specific optical and electronic properties. This compound is essential for researchers and manufacturers in the fields of organic electronics, photoresist development, and advanced polymer chemistry, where precise molecular architecture is required.

Application

• Organic Light-Emitting Diode (OLED) Materials: As a key intermediate in the synthesis of host or dopant materials for emissive layers.
• Photoresist and Photoacid Generator (PAG) Precursors: Used in the development of advanced photoresists for semiconductor lithography, particularly for deep-UV and EUV processes.
• Liquid Crystal and Electro-Optic Materials: Serves as a core structure for synthesizing compounds with controlled molecular alignment and birefringence.
• Pharmaceutical Intermediate: Potential building block in the synthesis of complex drug molecules, particularly those requiring brominated aromatic systems.
• Polymer Modification: Used to introduce bromine and phenolic functionality into polymer backbones to alter thermal stability, flame retardancy, or reactivity.
• Research & Development: A valuable reagent for academic and industrial R&D in synthetic organic chemistry and materials science.

Basic Information

Product Name	Phenol, 4,4'-[2-(4-Bromophenyl)-2-Phenylethenylidene]Bis-
CAS No.	936803-69-9
Molecular Formula	C26H19BrO2
Molecular Weight	443.34 g/mol
Synonyms	4,4'-[2-(4-Bromophenyl)-2-Phenylethenylidene]diphenol; 4,4'-(2-(4-Bromophenyl)vinylidene)diphenol; 2-(4-Bromophenyl)-1,1-bis(4-hydroxyphenyl)ethylene; Bis(4-hydroxyphenyl)(4-bromophenyl)ethylene; (4-Bromophenyl)bis(4-hydroxyphenyl)ethylene; 1-Bromo-4-[1,1-bis(4-hydroxyphenyl)ethenyl]benzene
EINECS	Contact for details

Quality Control

Our Phenol, 4,4'-[2-(4-Bromophenyl)-2-Phenylethenylidene]Bis- is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for sensitive applications. Each lot undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and elemental analysis. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is light-sensitive and should be handled under appropriate conditions to prevent degradation. Keep the container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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