Description

Potassium 3-Nitrobenzenesulphonate is a versatile organic salt widely utilized as a key intermediate in fine chemical synthesis. Its primary value lies in its role as a stable, water-soluble source of the 3-nitrobenzenesulfonate anion, which is crucial for various functionalization and derivatization reactions. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty dye industries seeking to introduce sulfonate or nitroaryl functionalities into target molecules.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sulfonamide or nitroarene moieties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the nitrobenzenesulfonate group is a critical functional component.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of azo dyes and other colored compounds, contributing to chromophore development and solubility properties.
• Chemical Research & Development: Employed in organic synthesis laboratories for nucleophilic substitution reactions and as a precursor for further chemical transformations.
• Polymer Modification: Can be used to introduce ionic or polar sulfonate groups into polymer chains to alter solubility, adhesion, or other material properties.
• Electroplating Additives: Functions as a brightening agent or stabilizer in specific electroplating bath formulations.

Basic Information

Product Name	Potassium 3-Nitrobenzenesulphonate
CAS No.	4346-48-9
Molecular Formula	C6H4KNO5S
Molecular Weight	241.26 g/mol
Synonyms	Potassium 3-Nitrobenzenesulfonate; 3-Nitrobenzenesulfonic Acid Potassium Salt; Benzenesulfonic Acid, 3-Nitro-, Potassium Salt; Potassium m-Nitrobenzenesulfonate; m-Nitrobenzenesulfonic Acid Potassium Salt; 3-Nitrobenzene-1-sulfonic Acid Potassium Salt; Potassium 3-Nitrophenylsulfonate
EINECS	224-418-6

Quality Control

Our Potassium 3-Nitrobenzenesulphonate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A Certificate of Analysis (COA) detailing the results of tests such as assay, heavy metals, and loss on drying is provided with every shipment to guarantee traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption. 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%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Clear, complete solution

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