Description

1,1-Diphenyl-2,2-Di(p-Bromophenyl)Ethylene is a specialized organic compound featuring a central ethylene core symmetrically substituted with phenyl and brominated phenyl groups. This molecular architecture makes it a valuable intermediate and building block in advanced organic synthesis and materials science research. It is particularly sought after by R&D chemists and process development scientists in the pharmaceutical and specialty chemical industries for constructing complex molecular frameworks, including potential OLED materials and liquid crystals.

Application

• Organic Light-Emitting Diode (OLED) Research: Serves as a key precursor or core structure in the development of novel host, emitter, or charge-transport materials due to its conjugated system and bromine substituents suitable for further cross-coupling reactions.
• Pharmaceutical Intermediate: Used in the synthesis of complex drug candidates, where its rigid, aromatic structure can be leveraged to create specific pharmacophores or to modulate the physicochemical properties of active pharmaceutical ingredients (APIs).
• Liquid Crystal & Advanced Material Synthesis: Acts as a building block for creating mesogenic compounds and other advanced organic materials requiring high thermal stability and specific electronic properties.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the production of specialty polymers with unique optical or electronic characteristics.
• Academic & Industrial R&D: A crucial compound for methodological studies in organic synthesis, particularly in palladium-catalyzed cross-coupling reactions like Suzuki or Heck reactions, leveraging the reactive bromine sites.
• Chemical Reference Standard: Employed as an analytical standard in quality control laboratories for the identification and quantification of related substances in complex mixtures.

Basic Information

Product Name	1,1-Diphenyl-2,2-Di(p-Bromophenyl)Ethylene
CAS No.	859315-37-0
Molecular Formula	C32H22Br2
Molecular Weight	566.33 g/mol
Synonyms	1,1-Bis(4-bromophenyl)-2,2-diphenylethene; 1,1-Bis(p-bromophenyl)-2,2-diphenylethylene; 1,1-Diphenyl-2,2-bis(4-bromophenyl)ethylene; 4,4'-(1,1-Diphenylethene-2,2-diyl)bis(bromobenzene); 2,2-Bis(4-bromophenyl)-1,1-diphenylethene; (E)-1,1-Bis(4-bromophenyl)-2,2-diphenylethene; Tetraphenylethylene derivative, brominated; TPE-Br4 (common abbreviation)
EINECS	Contact for details

Quality Control

Our 1,1-Diphenyl-2,2-Di(p-Bromophenyl)Ethylene is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay purity and impurity profiles. We support cGMP and ISO 9001 compliant manufacturing practices for traceability and reliability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed to prevent contamination and 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%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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