Description

(E)-4,4'-(1,2-Diphenylethene-1,2-Diyl)Dibenzaldehyde is a high-purity organic building block characterized by its extended conjugated system and two reactive aldehyde functional groups. This compound is valued for its role as a key intermediate in the synthesis of advanced organic electronic materials and functional polymers. It is essential for researchers and manufacturers in the fields of organic semiconductors, OLED (Organic Light-Emitting Diode) materials, and nonlinear optical (NLO) applications. The product is supplied with a CAS number of 1421321-70-1.

Application

• Organic Semiconductor Precursor: A critical building block for synthesizing hole-transport materials (HTMs) and electron-transport materials (ETMs) used in OLED and OPV (Organic Photovoltaic) devices.
• Nonlinear Optical (NLO) Materials: Serves as a core moiety in the development of chromophores with high hyperpolarizability for electro-optic modulators and frequency conversion applications.
• Polymer Synthesis: Used as a difunctional monomer in condensation polymerizations to create conjugated polymers with specific optoelectronic properties.
• Ligand and Complex Synthesis: The aldehyde groups allow for the construction of sophisticated Schiff base ligands used in coordination chemistry and catalysis.
• Research & Development: A valuable tool for academic and industrial R&D in exploring new π-conjugated systems and advanced functional materials.
• Chemical Intermediate: Used in multi-step organic syntheses to create more complex molecular architectures for pharmaceuticals and agrochemicals.

Basic Information

Item	Details
Product Name	(E)-4,4'-(1,2-Diphenylethene-1,2-Diyl)Dibenzaldehyde
CAS No.	1421321-70-1
Molecular Formula	C28H20O2
Molecular Weight	388.46 g/mol
Synonyms	(E)-4,4'-(1,2-Diphenylethene-1,2-diyl)bis(benzaldehyde); 4,4'-(1E)-1,2-Diphenylethene-1,2-diylbis[benzaldehyde]; (E)-4,4'-(Stilbene-1,2-diyl)dibenzaldehyde; (E)-4,4'-(Diphenylethylene-1,2-diyl)dibenzaldehyde; (E)-4,4'-Stilbenedicarboxaldehyde; trans-4,4'-Stilbenedicarboxaldehyde; (E)-4,4'-(Ethene-1,2-diyl)dibenzaldehyde (diphenyl substituted)
EINECS	Contact for details

Quality Control

Our (E)-4,4'-(1,2-Diphenylethene-1,2-Diyl)Dibenzaldehyde is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity, typically ≥97% (HPLC). Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP principles where applicable, and our quality system is designed to meet the stringent requirements of advanced material research and production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals (as Pb)	< 20 ppm
Residue on Ignition	< 0.1%
Solubility	Soluble in DMF, DMSO, THF; slightly soluble in common organic solvents

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