Description

4,4'-Dicyanostilbene is a high-purity organic intermediate characterized by its conjugated stilbene structure with terminal cyano groups. This compound matters for its role as a critical building block in the synthesis of advanced optical materials and functional polymers. Industries requiring high-performance dyes, fluorescent whitening agents, and organic electronic components rely on its consistent quality and reactivity.

Application

• Fluorescent Whitening Agent (FWA) Synthesis: A key precursor for manufacturing optical brighteners used in paper, textiles, and detergents.
• Organic Light-Emitting Diodes (OLEDs): Serves as a core intermediate for creating electron-transport materials and host materials in display and lighting technologies.
• Laser Dyes and Photonic Materials: Used in the development of dyes for tunable lasers and non-linear optical (NLO) materials due to its extended π-conjugation.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for producing specialty polymers with specific optical or electronic properties.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new organic semiconductors and photoactive compounds.
• Analytical Chemistry: Can be used as a standard or reagent in chromatographic and spectroscopic method development.

Basic Information

Product Name	4,4'-Dicyanostilbene
CAS No.	5216-36-4
Molecular Formula	C16H10N2
Molecular Weight	230.27 g/mol
Synonyms	trans-1,2-Bis(4-cyanophenyl)ethene; 4,4'-(E)-Ethene-1,2-diyl)dibenzonitrile; DCS; Stilbene-4,4'-dicarbonitrile; 4-Cyanostilbene-4'-carbonitrile; 4,4'-Dicyano-trans-stilbene; 4,4'-Stilbenedicarbonitrile
EINECS	226-025-5

Quality Control

Our 4,4'-Dicyanostilbene is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat sources and incompatible materials. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Yellow to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	285 - 290 °C
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.