Description

Bis(Methylphenyl) Sulphone is a high-purity diaryl sulphone derivative, also known as 4,4'-Dimethyldiphenyl Sulfone. This compound serves as a versatile and thermally stable intermediate in advanced organic synthesis. It is primarily sought after by manufacturers in the polymer, pharmaceutical, and specialty chemical industries for its role in producing high-performance materials and active pharmaceutical ingredients (APIs).

Application

• As a key monomer or intermediate in the synthesis of high-performance engineering plastics, particularly polysulfones and polyethersulfones.
• Used in pharmaceutical synthesis as a building block for various active pharmaceutical ingredients (APIs).
• Employed as a high-temperature solvent or processing aid in specialty chemical manufacturing.
• Serves as a cross-linking agent or modifier in epoxy resin systems to enhance thermal and chemical resistance.
• Acts as an intermediate in the production of dyes, pigments, and photoinitiators.
• Utilized in research and development for creating novel polymeric materials with specific properties.

Basic Information

Product Name	Bis(Methylphenyl) Sulphone
CAS No.	25551-17-1
Molecular Formula	C14H14O2S
Molecular Weight	246.32 g/mol
Synonyms	4,4'-Dimethyldiphenyl Sulfone; 4,4'-Dimethylphenyl Sulfone; DMDPS; Bis(4-methylphenyl) Sulfone; p,p'-Dimethyldiphenylsulfone; NSC 403697; 1-Methyl-4-[(4-methylphenyl)sulfonyl]benzene; Bis(p-tolyl) Sulfone
EINECS	247-094-1

Quality Control

Our Bis(Methylphenyl) Sulphone is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including assay, purity profiling, and identification, to ensure it meets the high standards required for industrial and pharmaceutical applications. A detailed Certificate of Analysis (COA) is provided with every shipment to guarantee 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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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