Intermediates

4,4'-Bis(chloromethyl)-1,1'-biphenyl

  • CAS No.1667-10-3
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 4,4'-Bis(chloromethyl)-1,1'-biphenyl intermediate for fluorescent whitening agents and pharmaceutical synthesis. Global supply with COA.

Request Bulk Pricing

Product Technical Details

Product Overview

4,4'-Bis(chloromethyl)-1,1'-biphenyl is a highly specialized organic intermediate characterized by its biphenyl backbone functionalized with chloromethyl groups. This compound serves as a critical building block in the fine chemical industry, particularly valued for its reactivity and structural stability. Manufactured under strict quality control protocols, our product ensures consistent performance for downstream synthesis operations. The substance typically presents as a white to off-white crystalline powder, facilitating easy handling and integration into various reaction systems.

Technical Specifications

Our production facility adheres to rigorous analytical standards to guarantee the integrity of every batch. The chemical profile is defined by a molecular formula of C14H12Cl2 and a molecular weight of approximately 251.15 g/mol. Key physical properties include a melting point exceeding 136 degrees Celsius and a density of 1.195 g/cm3. We maintain a purity level of not less than 98.0 percent, with actual test results often surpassing 98.3 percent. Loss on drying is tightly controlled below 0.5 percent to ensure minimal moisture content, which is vital for moisture-sensitive reactions.

Items of Analysis Standard Test Results
Appearance White powder White powder
Purity ≥98.0% 98.35%
Loss on drying ≤0.5% 0.26%
Melting point ≥136℃ 136.7℃
Conclusion Conforms to Factory Standard

Industrial Applications

This biphenyl derivative is primarily utilized as a key precursor in the synthesis of advanced fluorescent whitening agents, specifically CBS-X and CBS-127. These agents are essential in the detergent and textile industries for enhancing the brightness of fabrics and materials. Beyond optical brighteners, the compound functions as a versatile intermediate in pharmaceutical development and resin manufacturing. Its chloromethyl functionality allows for further alkylation or substitution reactions, enabling chemists to construct complex molecular architectures required for high-performance polymers and active pharmaceutical ingredients.

Quality Assurance and Safety

We prioritize safety and reliability in every shipment. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) verifying all physical and chemical parameters. Our global logistics network ensures timely delivery while maintaining product integrity during transit. Users should handle this material with appropriate personal protective equipment, as with all chlorinated organic compounds. Proper storage in a cool, dry environment is recommended to maintain stability. Partner with us for a reliable supply chain of premium chemical intermediates designed to meet the demands of modern industrial synthesis.