Description

4-Methyl-4'-Hydroxydiphenyl Sulfone is a high-purity organic chemical intermediate of significant industrial importance. Its unique sulfone bridge and phenolic hydroxyl group make it a versatile building block for advanced material synthesis. This compound is essential for manufacturers in the polymer, agrochemical, and specialty chemical sectors seeking to develop high-performance products.

Application

• Polymer Industry: Key monomer or chain extender in the synthesis of high-performance engineering plastics, particularly polysulfones and polyethersulfones (PES).
• Agrochemical Intermediates: Serves as a crucial precursor in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Dye and Pigment Synthesis: Used in the production of specialized dyes and colorants, leveraging its aromatic structure.
• Pharmaceutical Intermediates: Acts as a building block in the synthesis of active pharmaceutical ingredients (APIs) requiring a diphenyl sulfone core.
• Crosslinking Agent: Functions as a crosslinker in epoxy resin systems and other thermosetting polymers to enhance thermal and mechanical properties.
• UV Stabilizer Precursor: Utilized in the development of light stabilizers and absorbers for plastics and coatings.

Basic Information

Product Name	4-Methyl-4'-Hydroxydiphenyl Sulfone
CAS No.	7402-77-9
Molecular Formula	C13H12O3S
Molecular Weight	248.30 g/mol
Synonyms	Bis(4-hydroxy-3-methylphenyl) sulfone; 4,4'-Dihydroxy-3,3'-dimethyldiphenyl sulfone; 3,3'-Dimethyl-4,4'-dihydroxydiphenyl sulfone; 4-Hydroxy-4'-methyl diphenyl sulfone; DHDMS; Bisphenol S dimethyl derivative; 1,1'-Sulfonylbis(4-hydroxy-3-methylbenzene)
EINECS	231-007-0

Quality Control

Our 4-Methyl-4'-Hydroxydiphenyl Sulfone is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and fine chemical applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

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, strong acids, and strong bases. The product may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	160 - 165 °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.