Description

4-(Benzenesulfonyl)Phenol is a versatile organic intermediate characterized by its phenol group linked to a benzenesulfonyl moiety. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is primarily sought after by research institutions and industrial manufacturers involved in developing active pharmaceutical ingredients (APIs), specialty chemicals, and advanced material precursors. Its unique structure makes it suitable for reactions where the introduction of a sulfonyl-protected phenolic group is required.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of various active pharmaceutical ingredients (APIs), particularly those requiring a sulfonated phenolic structure.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents.
• Polymer & Material Science: Serves as a monomer or modifier in the development of specialty polymers, resins, and high-performance materials.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of certain sulfonated dyes and organic pigments.
• Chemical Research & Development: Employed in organic synthesis laboratories for method development and the creation of novel chemical entities.
• Cross-coupling Reactions: Utilized as a substrate in palladium-catalyzed and other metal-mediated coupling reactions to form complex biaryl structures.

Basic Information

Product Name	4-(Benzenesulfonyl)Phenol
CAS No.	7402-69-9
Molecular Formula	C12H10O3S
Molecular Weight	234.27 g/mol
Synonyms	4-Hydroxydiphenyl sulfone; Phenol, 4-(phenylsulfonyl)-; p-(Phenylsulfonyl)phenol; 4-Phenylsulfonylphenol; Bis(4-hydroxyphenyl) sulfone monomer; p-Hydroxyphenyl phenyl sulfone; [1,1'-Biphenyl]-4-ol, 4'-sulfonyl-; 4-(Phenylsulphonyl)phenol
EINECS	Contact for details

Quality Control

Our 4-(Benzenesulfonyl)Phenol is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from 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	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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