Description

2,5-Dichlorostilbene CAS NO 59425-77-3 is a halogenated stilbene derivative characterized by its distinct molecular structure. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis. It is primarily required by industries involved in the research and production of specialty chemicals, including liquid crystals, optical brighteners, and pharmaceutical active ingredients.

Application

• Liquid Crystal (LC) Synthesis: A key intermediate in the production of specific dichroic dyes and LC monomers for display technologies.
• Optical Brightener Manufacturing: Used as a core structure in synthesizing stilbene-based fluorescent whitening agents for paper, textiles, and detergents.
• Pharmaceutical Intermediates: Serves as a precursor in the research and development of novel therapeutic compounds.
• Organic Light-Emitting Diodes (OLEDs): Investigated as a potential building block for electron-transport or emissive layer materials.
• Agrochemical Synthesis: Utilized in the development of certain herbicides and plant growth regulators.
• Polymer Chemistry: Can be incorporated as a monomer or cross-linking agent to modify polymer properties.
• Research & Development: A valuable compound for academic and industrial R&D in organic chemistry and material science.
• Dye and Pigment Industry: Acts as an intermediate for synthesizing specific halogenated dyes.

Basic Information

Product Name	2,5-Dichlorostilbene
CAS No.	59425-77-3
Molecular Formula	C14H10Cl2
Molecular Weight	249.14 g/mol
Synonyms	1,2-Bis(2,5-dichlorophenyl)ethene; trans-2,5-Dichlorostilbene; (E)-1,2-Bis(2,5-dichlorophenyl)ethylene; 2,5-Dichloro-1,1'-ethene-1,2-diyldibenzene; Stilbene, 2,5-dichloro-; Bibenzyl, 2,2',5,5'-tetrachloro- (related); 2,5-DCS
EINECS	Contact for details

Quality Control

Our 2,5-Dichlorostilbene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistent composition. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for use as a reliable synthetic intermediate.

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. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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