Description

Sodium 3-Nitrobenzenesulphonate is a versatile aromatic sulfonate salt widely used as a key intermediate and dyeing auxiliary in industrial chemistry. Its primary value lies in its role as a mild oxidizing agent and a precursor in the synthesis of more complex chemical compounds. This product is essential for manufacturers and R&D facilities in the dyes and pigments, pharmaceutical intermediates, and chemical synthesis sectors.

Application

• Dyeing Auxiliary: Acts as a mild oxidizing agent and anti-reducing agent in vat dyeing processes for textiles.
• Chemical Intermediate: Serves as a crucial precursor in the synthesis of other nitro- and amino-benzenesulphonic acid derivatives.
• Pharmaceutical Synthesis: Used in the manufacturing of specific pharmaceutical intermediates and active ingredients.
• Photographic Chemicals: Employed in the production of certain light-sensitive compounds and developers.
• Corrosion Inhibitor Formulation: A component in some industrial water treatment and metalworking fluid formulations.
• Research & Development: Utilized in academic and industrial labs for organic synthesis and process development.

Basic Information

Product Name	Sodium 3-Nitrobenzenesulphonate
CAS No.	127-68-4
Molecular Formula	C6H4NNaO5S
Molecular Weight	225.15 g/mol
Synonyms	3-Nitrobenzenesulfonic Acid Sodium Salt; Sodium m-Nitrobenzenesulfonate; m-Nitrobenzenesulfonic Acid Sodium Salt; Benzenesulfonic Acid, 3-Nitro-, Sodium Salt; 3-Nitrobenzene-1-sulfonic Acid Sodium Salt; Meta Nitro Benzene Sulphonate; MNBS
EINECS	204-857-3

Quality Control

Our Sodium 3-Nitrobenzenesulphonate is manufactured under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and consistency. Certificates of Analysis (COA) documenting these results are available for review and are provided with every shipment to guarantee traceability and compliance.

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.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content	≤ 2.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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