Description

4-Cyanostilbene is an important organic intermediate and functional material building block. This compound matters for its role as a key precursor in the synthesis of advanced optical materials and pharmaceuticals. Industries that need it include manufacturers of organic light-emitting diodes (OLEDs), liquid crystal displays (LCDs), fluorescent probes, and specialty agrochemicals. Our supply ensures high purity and batch-to-batch consistency for demanding R&D and production applications.

Application

• OLED/LCD Material Precursor: A crucial intermediate for synthesizing advanced host, dopant, and electron-transport materials used in display and lighting technologies.
• Fluorescent Dye & Probe Synthesis: Serves as a core structure for developing stilbene-based fluorescent dyes, sensors, and bio-imaging agents.
• Pharmaceutical Intermediate: Used in the research and production of certain active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Acts as a building block for creating novel crop protection agents and plant growth regulators.
• Polymer & Material Science: Incorporated into specialty polymers to modify optical properties or as a monomer for functional materials.
• Academic & Industrial Research: A valuable compound for organic synthesis, photochemistry studies, and material science R&D.

Basic Information

Product Name	4-Cyanostilbene
CAS No.	13041-79-7
Molecular Formula	C15H11N
Molecular Weight	205.26 g/mol
Synonyms	trans-4-Cyanostilbene; 4-[(E)-2-Phenylethenyl]benzonitrile; (E)-4-Styrylbenzonitrile; p-Cyanostilbene; 4-Cyano-trans-stilbene; 1-Cyano-4-(2-phenylethenyl)benzene; NSC 403697; Benzonitrile, 4-[(1E)-2-phenylethenyl]-
EINECS	235-915-8

Quality Control

Our 4-Cyanostilbene is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for electronic and pharmaceutical applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to 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)	≥ 98.0%
Melting Point	185 - 190 °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.