Description

4,4'-Dimethyl-trans-Stilbene CAS NO 18869-29-9 is a high-purity organic compound belonging to the stilbene class, characterized by its symmetrical dimethyl-substituted trans configuration. This compound serves as a valuable intermediate and building block in advanced organic synthesis and materials science research. It is primarily sought after by pharmaceutical R&D teams, academic research institutions, and manufacturers of specialty chemicals and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Organic Light-Emitting Diodes (OLEDs): Used as a core or dopant material in the development of electroluminescent layers due to its potential photophysical properties.
• Organic Semiconductor Research: Investigated as a component in charge-transport materials for electronic devices.
• Fluorescent Probes and Dyes: Serves as a structural backbone for creating fluorescent markers and sensors in analytical chemistry and bioimaging.
• Liquid Crystal Materials: Potential mesogen for research into new liquid crystal compositions for displays.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialized polymers with tailored properties.
• Academic & Industrial R&D: A fundamental reagent for studying structure-property relationships, photochemistry, and organic reaction mechanisms.

Basic Information

Product Name	4,4'-Dimethyl-trans-Stilbene
CAS No.	18869-29-9
Molecular Formula	C16H16
Molecular Weight	208.30 g/mol
Synonyms	trans-4,4'-Dimethylstilbene; (E)-1,2-Bis(4-methylphenyl)ethene; 4,4'-Dimethyl-(E)-stilbene; p,p'-Dimethyl-trans-stilbene; (E)-4,4'-Dimethylstilbene; (E)-1,2-Di-p-tolylethene; Bibenzyl-4,4'-dimethylene; Stilbene, 4,4'-dimethyl-, (E)-
EINECS	Contact for details

Quality Control

Our 4,4'-Dimethyl-trans-Stilbene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment ensures the material meets the high standards required for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. For long-term storage, consider an inert atmosphere to maximize stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	198 - 202 °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.