Description

Benzene,1,1'-(1,2-Ethenediyl)Bis[4-Chloro- is a specialized chlorinated aromatic compound that serves as a critical intermediate in advanced organic synthesis. Its unique molecular structure, featuring a central ethenediyl bridge and chloro substituents, makes it a valuable building block for creating complex chemical architectures. This compound is essential for research and development chemists and manufacturers in the pharmaceutical and agrochemical sectors who require high-purity intermediates for synthesizing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the development of specialty polymers and resins.
• Liquid Crystal & OLED Materials: Serves as a core structural unit in the manufacture of electronic display components.
• Dye & Pigment Manufacturing: Intermediate for producing high-performance colorants and photostable pigments.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and material properties.

Basic Information

Product Name	Benzene,1,1'-(1,2-Ethenediyl)Bis[4-Chloro-
CAS No.	5121-74-4
Molecular Formula	C14H10Cl2
Molecular Weight	249.14 g/mol
Synonyms	1,1'-(1,2-Ethenediyl)bis[4-chlorobenzene]; 4,4'-Dichlorostilbene; trans-4,4'-Dichlorostilbene; (E)-1,2-Bis(4-chlorophenyl)ethene; p,p'-Dichlorostilbene; NSC 406913; Stilbene, 4,4'-dichloro-
EINECS	225-852-4

Quality Control

Our production of Benzene,1,1'-(1,2-Ethenediyl)Bis[4-Chloro- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	215 - 220 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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