Description

Sodium 4-Chlorobenzene Sulfinate is an organosulfur compound widely used as a key synthetic intermediate. This versatile reagent is valued for its role in introducing the 4-chlorobenzenesulfonyl group into target molecules, enabling the construction of more complex chemical architectures. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-purity building blocks for sulfone and sulfonamide synthesis.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the sulfinate moiety is incorporated for enhanced biological activity.
• Polymer & Material Science: Serves as a monomer or modifier in the development of specialty polymers, ion-exchange resins, and functional materials.
• Organic Synthesis Reagent: Employed in cross-coupling reactions and as a source of the sulfonyl radical or anion in various C-S bond-forming transformations.
• Dye & Pigment Manufacturing: Acts as an intermediate in the synthesis of sulfonated dyes and colorants.
• Research & Development: A valuable tool for medicinal chemistry and process chemistry research in academic and industrial laboratories.

Basic Information

Product Name	Sodium 4-Chlorobenzene Sulfinate
CAS No.	14752-66-0
Molecular Formula	C6H4ClNaO2S
Molecular Weight	198.60 g/mol
Synonyms	4-Chlorobenzenesulfinic Acid Sodium Salt; Benzenesulfinic Acid, 4-Chloro-, Sodium Salt; p-Chlorobenzenesulfinate Sodium; Sodium p-Chlorobenzenesulfinate; 4-Chlorophenylsulfinate Sodium Salt; Sodium 4-Chlorophenylsulfinate; 1-Chloro-4-sulfinatobenzene Sodium Salt
EINECS	Contact for details

Quality Control

Our Sodium 4-Chlorobenzene Sulfinate 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 precise specifications for critical applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics 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, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to maintain stability and purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
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.