Description

Sodium 2-Nitrobenzenesulphonate is an important organic intermediate and dye auxiliary. This compound matters for its role as a key precursor in the synthesis of various dyes, pigments, and other specialty chemicals. Industries that need it include dye and pigment manufacturing, textile processing, and fine chemical synthesis. Its consistent quality is critical for ensuring batch-to-batch reproducibility in downstream applications.

Application

• Dye Intermediate: A crucial precursor in the manufacture of azo dyes and other colorants.
• Textile Auxiliary: Used in dyeing and printing processes on fabrics.
• Chemical Synthesis: Serves as a building block for pharmaceuticals and agrochemicals.
• Photographic Chemical: Employed in certain photographic development processes.
• Research & Development: Used in laboratories for organic synthesis and process development.
• Corrosion Inhibitor Formulation: A component in some industrial corrosion inhibitor blends.

Basic Information

Product Name	Sodium 2-Nitrobenzenesulphonate
CAS No.	25732-79-0
Molecular Formula	C6H4NNaO5S
Molecular Weight	225.15 g/mol
Synonyms	2-Nitrobenzenesulfonic Acid Sodium Salt; Sodium o-Nitrobenzenesulfonate; o-Nitrobenzenesulfonic Acid Sodium Salt; Benzenesulfonic acid, 2-nitro-, sodium salt; 2-Nitrobenzene-1-sulfonic acid sodium salt; ONBS; Sodium 2-nitrobenzene-1-sulfonate
EINECS	Contact for details

Quality Control

Our Sodium 2-Nitrobenzenesulphonate is manufactured under a strict quality management system. The product undergoes rigorous testing to ensure it meets high-purity standards suitable for industrial and fine chemical applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each batch and is available upon request.

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, protect from moisture. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Sulfate (as SO4)	≤ 0.5%
Chloride (as Cl)	≤ 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.