Description

4,4'-Bis(2,4-Dimethylphenyloxycarbonyl)Stilbene is a specialized organic compound belonging to the stilbene derivative family, valued for its role as a key intermediate and functional additive in advanced material synthesis. Its molecular structure makes it particularly significant for applications requiring precise optical properties or as a building block for polymers and liquid crystals. This product is essential for R&D and production teams in the specialty chemicals, advanced materials, and electronics sectors seeking high-purity intermediates.

Application

• Optical Brightening Agent (OBA) Intermediate: A crucial precursor in the synthesis of high-performance fluorescent whitening agents for plastics, papers, and textiles.
• Liquid Crystal Material Synthesis: Serves as a core building block for creating specific mesogenic units in liquid crystal displays (LCDs) and other electro-optical devices.
• Polymer & Resin Modifier: Used to incorporate stilbene units into polymer backbones to enhance UV stability, fluorescence, or other desired physical properties.
• Organic Light-Emitting Diode (OLED) Research: Investigated as a potential component in the development of novel emissive or charge-transport layers.
• Photoinitiator & Photopolymerization: Functions in photo-sensitive formulations for coatings, inks, and adhesives that cure under specific light wavelengths.
• Dye & Pigment Intermediate: Employed in the synthesis of specialized dyes and pigments where the stilbene core provides color and stability.
• Analytical Chemistry & Fluorescence Standards: Used as a reference standard or probe in spectroscopic studies due to its defined fluorescent characteristics.
• Academic & Industrial R&D: A valuable compound for chemical research exploring new organic semiconductors and functional materials.

Basic Information

Item	Details
Product Name	4,4'-Bis(2,4-Dimethylphenyloxycarbonyl)Stilbene
CAS No.	28131-93-3
Molecular Formula	C34H30O4
Molecular Weight	502.60 g/mol
Synonyms	4,4'-Bis(2,4-dimethylphenoxycarbonyl)stilbene; Stilbene-4,4'-diyl bis(2,4-dimethylphenyl) dicarbonate; 1,1'-(1,2-Ethenediyl)bis[4-[(2,4-dimethylphenoxy)carbonyl]benzene]; 4,4'-Distyrylbiphenyl derivative; Bis(2,4-dimethylphenyl) 4,4'-(ethene-1,2-diyl)dibenzoate; Light stabilizer intermediate; Optical brightener precursor
EINECS	Contact for details

Quality Control

Every batch of 4,4'-Bis(2,4-Dimethylphenyloxycarbonyl)Stilbene is manufactured and tested under a strict quality management system to ensure consistency and reliability for industrial and R&D use. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, and we support customer audits and specific testing protocol requests to meet your project's exact requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and packaging should minimize exposure to direct light to preserve product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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