4,4′-Dichlorobenzophenone CAS No.: 90-98-2 | Purity: ≥99% | Applied in High-Performance Polymer Monomers

4,4′-Dichlorobenzophenone CAS No.: 90-98-2 | Purity: ≥99% | Applied in High-Performance Polymer Monomers Featured Image
  • 4,4′-Dichlorobenzophenone CAS No.: 90-98-2 | Purity: ≥99% | Applied in High-Performance Polymer Monomers

Short Description:

4,4′-Dichlorobenzophenone, a halogenated aromatic ketone, is a high-purity fine chemical widely used as an intermediate for synthesizing high-performance engineering plastics, especially polyaryletherketones (PAEK), liquid crystal polymers, and thermally stable monomers. With excellent chemical and thermal resistance, it plays a key role in developing specialty polymers that require high rigidity, heat resistance, and dielectric strength.


Product Detail

Product Tags

Product introduction:

Parameter Details
Product Name 4,4′-Dichlorobenzophenone
Synonyms Bis(4-chlorophenyl)methanone
CAS Number 90-98-2
Molecular Formula C13H8Cl2O
Molecular Weight 251.11 g/mol
Appearance White to light yellow crystalline powder
Odor Slight aromatic odor
Purity ≥99.0% (HPLC)
Melting Point 147–150 °C
Boiling Point 370 °C
Solubility Soluble in organic solvents
Brand Epoch

 

Advantage

 High Purity (≥99%) – Ensures consistent polymerization performance and minimal side reactions.
 Excellent Thermal Stability – Ideal for high-temperature polymer processing.
 Symmetrical Molecular Structure – Enhances polymer rigidity and crystallinity.
 Halogen-Substituted Reactivity – Chlorine atoms allow further substitution or crosslinking.
 Versatile Polymer Intermediate – Compatible with various high-end engineering plastics.

 

 Application

4,4′-Dichlorobenzophenone is primarily used as a monomer or co-monomer in high-performance thermoplastics. Common applications include:

Industry Use Case
Engineering Polymers Monomer for polyetherketone (PEK, PEKK) and related thermoplastics
Liquid Crystal Polymers Base material for LCPs with high dielectric and mechanical strength
Electrical Components Polymer insulators and connectors requiring thermal and chemical resistance
Aerospace/Automotive Lightweight structural components and thermal shields
Advanced Coatings Intermediate in heat-resistant protective coating materials

 

 Specifications

Property Specification Test Method
Appearance White to light yellow powder Visual
Assay (HPLC) ≥99.0% HPLC
Melting Point 147–150°C DSC
Moisture Content (K.F.) ≤0.3% Karl Fischer
Ash Content ≤0.1% 550°C Ash Test
Residual Chloride ≤0.05% IC (Ion Chromatography)
UV Absorption Max λ 315 nm UV-Vis Spectroscopy

 

  Packaging & Logistics

Packaging 1kg foil bag, 5kg aluminum drum, 25kg fiber drum (customized packaging available)
MOQ 1kg (Sample orders welcome)
Lead Time 3–7 working days for stock items
Delivery Options Express, air cargo, sea freight, door-to-door (EXW, FOB, CIF, DDP available)

 

 

 

 

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