Description

Benzenesulfonamide, n-(4-Hydroxyphenyl)- is a versatile aromatic sulfonamide derivative that serves as a crucial intermediate in advanced organic synthesis. Its bifunctional structure, featuring both a sulfonamide and a phenolic hydroxyl group, makes it a valuable building block for creating complex molecules with tailored properties. This compound is primarily sought by the pharmaceutical, agrochemical, and specialty chemical industries for applications in drug discovery, polymer modification, and the development of functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring sulfonamide or phenolic functionalities.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Polymer Additive & Modifier: Acts as a monomer or cross-linking agent to impart specific properties like thermal stability or UV resistance to polymers and resins.
• Dye & Pigment Manufacturing: Serves as an intermediate in the production of specialized dyes and organic pigments.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Liquid Crystal & Electronic Material Precursor: Utilized in the synthesis of components for advanced display technologies and electronic chemicals.

Basic Information

Product Name	Benzenesulfonamide, n-(4-Hydroxyphenyl)-
CAS No.	5471-90-9
Molecular Formula	C12H11NO3S
Molecular Weight	249.29 g/mol
Synonyms	4-Hydroxybenzenesulfonanilide; N-(4-Hydroxyphenyl)benzenesulfonamide; p-Hydroxyphenyl phenyl sulfone; 4-Phenolsulfonanilide; Benzenesulfonic acid, (4-hydroxyphenyl)amide; N-Phenyl-4-hydroxybenzenesulfonamide; (4-Hydroxyphenyl)(phenylsulfonyl)amine
EINECS	226-802-9

Quality Control

Our Benzenesulfonamide, n-(4-Hydroxyphenyl)- is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability, consistency, 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 incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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