Description

4-Chloro-2-[(5-Chloro-2-Hydroxyphenyl)Sulfonyl]Phenol is a specialized organic intermediate featuring a diphenyl sulfone core with phenolic and chloro substituents. This compound matters for its role as a versatile building block in the synthesis of high-performance materials and active pharmaceutical ingredients. Industries that need it include pharmaceutical R&D, agrochemical manufacturing, and specialty polymer production, where it is valued for introducing specific structural motifs.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those with sulfone-based pharmacophores.
• Agrochemical Synthesis: Used in the development of advanced herbicides and fungicides, leveraging its halogenated aromatic structure.
• Polymer Modifier: Serves as a monomer or additive in engineering plastics and high-temperature resins to enhance properties like thermal stability.
• Dye and Pigment Manufacturing: Intermediate for producing complex colorants and optical brighteners.
• Research & Development: Valuable reference standard and building block in organic chemistry and material science laboratories.
• Liquid Crystal Materials: Potential component in the synthesis of sulfone-based liquid crystals for display technologies.

Basic Information

Product Name	4-Chloro-2-[(5-Chloro-2-Hydroxyphenyl)Sulfonyl]Phenol
CAS No.	3636-29-1
Molecular Formula	C12H8Cl2O4S
Molecular Weight	319.16 g/mol
Synonyms	4-Chloro-2-[(5-chloro-2-hydroxyphenyl)sulfonyl]phenol; 2-Hydroxy-5-chlorophenyl 2-hydroxy-5-chlorophenyl sulfone; Bis(5-chloro-2-hydroxyphenyl) sulfone; 5,5'-Dichloro-2,2'-dihydroxydiphenyl sulfone; NSC 403796; Phenol, 4-chloro-2-[(5-chloro-2-hydroxyphenyl)sulfonyl]-; 2,2'-Dihydroxy-5,5'-dichlorodiphenyl sulfone
EINECS	Contact for details

Quality Control

Our 4-Chloro-2-[(5-Chloro-2-Hydroxyphenyl)Sulfonyl]Phenol is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets precise customer specifications. A comprehensive Certificate of Analysis (COA) documenting all test results is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The container should 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
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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