Description

Potassium 2-Chloro-5-Nitrobenzenesulphonate is a high-purity, water-soluble salt derivative of a substituted benzenesulfonic acid, serving as a critical synthetic intermediate. Its value lies in providing a reactive nitro and chloro-substituted aromatic sulfonate moiety, enabling precise chemical transformations in advanced synthesis. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty dye industries, where it is used to construct complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing sulfonamide or sulfonate functional groups.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents that require specific halogenated nitroaromatic structures.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing azo dyes and other complex colorants, contributing to chromophore development.
• Chemical Research & Development: A versatile reagent for exploring new organic reactions and creating novel sulfonated compounds in academic and industrial labs.
• Liquid Crystal & Electronic Materials: Potential intermediate in the production of sulfonated compounds used in advanced material science applications.

Basic Information

Product Name	Potassium 2-Chloro-5-Nitrobenzenesulphonate
CAS No.	6671-52-9
Molecular Formula	C6H3ClKNO5S
Molecular Weight	275.71 g/mol
Synonyms	Potassium 2-Chloro-5-nitrobenzenesulfonate; 2-Chloro-5-nitrobenzenesulfonic Acid Potassium Salt; Benzenesulfonic acid, 2-chloro-5-nitro-, potassium salt; 5-Nitro-2-chlorobenzenesulfonic Acid Potassium Salt; Potassium 5-Nitro-2-chlorobenzenesulfonate; 2-Chloro-5-nitrobenzene-1-sulfonic Acid Potassium Salt; 6671-52-9; Potassium (2-chloro-5-nitrophenyl)sulfonate
EINECS	229-722-6

Quality Control

Our Potassium 2-Chloro-5-Nitrobenzenesulphonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use as a fine chemical intermediate. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and residual solvents.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area 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
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%
Solubility (in Water)	Clear, colorless solution

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