Description

1,1'-Ethylidenebis[2,3-Dichloro-4-Methoxy-Benzene] is a specialized chlorinated aromatic compound with a unique bridged structure, serving as a high-value intermediate in advanced chemical synthesis. Its molecular architecture makes it a critical precursor for developing complex molecules, particularly in the pharmaceutical and agrochemical sectors where specific halogenated motifs are required. This product is essential for R&D chemists and process development scientists working on novel active ingredients, fine chemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially those requiring complex halogenated diaryl methane or ethane cores.
• Agrochemical Synthesis: Used as a precursor for developing advanced herbicides, fungicides, and insecticides where the dichloro-methoxy benzene groups confer specific biological activity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and high-performance resins with enhanced thermal or chemical resistance.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for producing complex, high-value specialty chemicals for various industrial applications.
• Ligand and Catalyst Development: Utilized in organometallic chemistry to create novel ligands or catalyst systems for asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	1,1'-Ethylidenebis[2,3-Dichloro-4-Methoxy-Benzene]
CAS No.	397301-41-6
Molecular Formula	C₁₈H₁₆Cl₄O₂
Molecular Weight	414.13 g/mol
Synonyms	1,1'-(Ethane-1,1-diyl)bis(2,3-dichloro-4-methoxybenzene); 2,2',3,3'-Tetrachloro-4,4'-dimethoxy-1,1'-ethanediylbenzene; Bis(2,3-dichloro-4-methoxyphenyl)ethane; 1,1-Bis(2,3-dichloro-4-methoxyphenyl)ethane; Ethane-1,1-diylbis(2,3-dichloro-4-methoxybenzene); α,α-Bis(2,3-dichloro-4-methoxyphenyl)ethane
EINECS	Contact for details

Quality Control

Our production of 1,1'-Ethylidenebis[2,3-Dichloro-4-Methoxy-Benzene] adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopic methods, to confirm identity and quantify impurities. A Certificate of Analysis (COA) detailing specific results for purity, related substances, and residual solvents is provided with every shipment, supporting compliance in cGMP-aligned applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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