Description

4,4'-Dicyanodiphenylsulphone is a high-purity organic intermediate characterized by its sulfone and nitrile functional groups. This compound matters as a critical building block in the synthesis of advanced polymers and specialty chemicals, offering excellent thermal stability and chemical resistance. It is primarily needed by manufacturers in the polymer, pharmaceutical, and agrochemical industries for producing high-performance materials.

Application

• Polymer Synthesis: A key monomer for the production of high-performance polyethersulfones (PES), polysulfones (PSU), and other engineering plastics.
• Pharmaceutical Intermediates: Serves as a precursor in the synthesis of active pharmaceutical ingredients (APIs) and other bioactive molecules.
• Agrochemicals: Used in the manufacture of advanced herbicides, fungicides, and pesticides.
• Advanced Material Research: Employed in R&D for developing new polymers, membranes, and coatings with enhanced properties.
• Cross-linking Agent: Functions as a cross-linker in epoxy and other thermosetting resin systems to improve thermal and mechanical performance.
• Liquid Crystal Polymers (LCPs): Acts as a monomeric unit in the synthesis of LCPs for electronics and high-strength fibers.

Basic Information

Product Name	4,4'-Dicyanodiphenylsulphone
CAS No.	6461-99-0
Molecular Formula	C14H8N2O2S
Molecular Weight	268.29 g/mol
Synonyms	4,4'-Dicyanodiphenyl Sulfone; Bis(4-cyanophenyl) Sulfone; 4-Cyanophenyl Sulfone; DCDPS; 1,1'-Sulfonylbis(4-cyanobenzene); 4,4'-Sulfonyldibenzonitrile; NSC 403116; 4,4'-Dicyanodiphenylsulfone
EINECS	229-273-5

Quality Control

Our 4,4'-Dicyanodiphenylsulphone is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for demanding industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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