Description

4-(4-Hydroxyphenyl)-1(2H)-Phthalazinone Polymer With 1,1'-Sulfonylbis [4-Chlorobenzene] is a high-performance specialty polymer designed for advanced material applications. This compound is valued for its unique structural properties, offering excellent thermal stability and chemical resistance. It is primarily sought after by manufacturers in the polymer and advanced materials sectors for developing high-performance resins and engineering plastics.

Application

• As a key monomer or intermediate in the synthesis of high-temperature resistant poly(aryl ether sulfone) (PAES) and poly(ether ether ketone) (PEEK) type polymers.
• Manufacture of specialty engineering plastics for the automotive and aerospace industries, where thermal and mechanical performance is critical.
• Production of high-performance membrane materials for filtration, gas separation, and fuel cell applications.
• Development of advanced composite matrices for use in electronic components and insulating materials.
• Research and development of novel pharmaceutical intermediates or polymer-based drug delivery systems.
• Synthesis of flame-retardant polymers and coatings for wire, cable, and electronic housing.

Basic Information

Item	Details
Product Name	4-(4-Hydroxyphenyl)-1(2H)-Phthalazinone Polymer With 1,1'-Sulfonylbis [4-Chlorobenzene]
CAS No.	166894-40-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	4-(4-Hydroxyphenyl)-2H-phthalazin-1-one polymer with 1,1'-sulfonylbis(4-chlorobenzene); Poly(phthalazinone ether sulfone) containing hydroxylphenyl group; PPESK copolymer intermediate; Bis(4-chlorophenyl) sulfone copolymer with 4-(4-hydroxyphenyl)(2H)-phthalazinone; Thermoplastic poly(aryl ether sulfone) precursor; High-performance polymer monomer 166894-40-2
EINECS	Contact for details

Quality Control

Our production of 4-(4-Hydroxyphenyl)-1(2H)-Phthalazinone Polymer With 1,1'-Sulfonylbis [4-Chlorobenzene] adheres to stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and thermal analysis (DSC/TGA) to confirm performance characteristics. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and key physical properties is provided with every shipment to ensure traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The material may be hygroscopic; ensure containers are sealed after use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow powder or granules
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point (DSC)	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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