Description

Dipotassium P,P'-Sulphonylbis(Phenolate) is a specialized organosulfur compound primarily used as a key intermediate in the synthesis of high-performance polymers and advanced materials. Its value lies in its role as a versatile building block for creating sulfone-containing structures, which impart excellent thermal stability, chemical resistance, and mechanical properties to the final products. This chemical is essential for manufacturers and R&D facilities in the polymer, specialty chemical, and advanced material sectors seeking to develop or produce high-temperature engineering plastics, specialty resins, and functional additives.

Application

• Polymer Synthesis: A crucial monomer or intermediate in the production of poly(arylene ether sulfone)s (PAES) and other high-performance thermoplastics.
• Advanced Material Production: Used in the development of specialty resins, coatings, and composites that require exceptional thermal and oxidative stability.
• Chemical Intermediate: Serves as a building block for synthesizing more complex sulfonated compounds used in various organic syntheses.
• Pharmaceutical Intermediates: Potential use in the research and development of active pharmaceutical ingredients (APIs) requiring sulfone linkages.
• Liquid Crystal Polymers (LCPs): Can be incorporated into the backbone of LCPs to modify their properties.
• Gas Separation Membranes: A precursor for polymers used in membranes that require robust chemical and thermal resistance.

Basic Information

Product Name	Dipotassium P,P'-Sulphonylbis(Phenolate)
CAS No.	38980-60-8
Molecular Formula	C18H12K2O6S
Molecular Weight	434.56 g/mol
Synonyms	Dipotassium 4,4'-Sulfonyldiphenolate; Dipotassium Bisphenol S Salt; 4,4'-Sulfonyldiphenol Dipotassium Salt; Bis(4-hydroxyphenyl) Sulfone Dipotassium Salt; BPS Dipotassium Salt; 4,4'-Dihydroxydiphenyl Sulfone Dipotassium Salt; Potassium 4-[(4-oxidophenyl)sulfonyl]phenolate
EINECS	Contact for details

Quality Control

Our Dipotassium P,P'-Sulphonylbis(Phenolate) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for demanding industrial and research applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the rigorous standards required by the polymer and specialty chemical industries.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Potassium Content	Contact for details
Solubility	Soluble in water, polar organic solvents

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