Intermediates

4,4'-Dichlorodiphenyl Sulfone

  • CAS No.80-07-9
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 4,4'-Dichlorodiphenyl Sulfone (CAS 80-07-9) designed for advanced polymer synthesis and pharmaceutical intermediates. ≥99.5% assay guaranteed.

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Product Technical Details

Product Overview

4,4'-Dichlorodiphenyl Sulfone is a critical organic intermediate widely recognized for its exceptional thermal stability and reactivity in step-growth polymerization processes. As a premier manufacturer, we supply this high-performance chemical with stringent quality controls to ensure consistency in downstream applications. The compound features a robust sulfone bridge linking two chlorophenyl groups, making it an ideal monomer for engineering plastics that require resistance to high temperatures and harsh chemical environments.

Our production facility adheres to international safety and quality standards, delivering material that meets the rigorous demands of the polymer and fine chemical industries. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) to verify purity and physical properties.

Key Specifications

ParameterSpecification
CAS Number80-07-9
Chemical Name4,4'-Dichlorodiphenyl Sulfone
Molecular FormulaC12H8Cl2O2S
Molecular Weight287.16 g/mol
AppearanceWhite crystalline powder
Purity (HPLC)≥99.5%
Melting Point143-146 °C
Boiling Point250 °C at 10 mm Hg
Density1.54 g/cm3

Industrial Applications

This sulfone derivative serves as a foundational building block for several high-value polymer families. Its primary use is in the synthesis of polysulfones (PSU), polyethersulfones (PES), and polyetheretherketones (PEEK). These engineering plastics are essential in aerospace, automotive, and medical device manufacturing due to their mechanical strength and thermal resistance.

  • High-performance polymer synthesis for aerospace components.
  • Production of heat-resistant membranes and filtration systems.
  • Manufacturing of electrical insulation materials.
  • Intermediate for specialized pharmaceutical compounds and agrochemicals.

Beyond polymers, the compound acts as a versatile intermediate in organic synthesis, facilitating the creation of complex molecular structures required in fine chemistry. Its reactivity allows for nucleophilic substitution reactions, enabling chemists to introduce functional groups with precision.

Quality Assurance and Handling

We maintain a closed-loop manufacturing process to minimize impurities and ensure batch-to-batch reproducibility. Proper storage is essential to maintain product integrity. The material should be kept in a cool, dry, and well-ventilated area, with containers tightly sealed to prevent moisture absorption. We offer flexible packaging options, including 20kg bags, tailored to meet specific logistical requirements for global shipment.