Description

Dinitrobenzenesulfonic Acid is a specialized aromatic sulfonic acid derivative characterized by its strong acidity and the presence of nitro functional groups. This compound serves as a valuable intermediate and reagent in organic synthesis, where its unique electronic properties facilitate various electrophilic and nucleophilic reactions. It is primarily utilized by manufacturers in the chemical, pharmaceutical, and agrochemical sectors for the production of dyes, pigments, and other fine chemicals.

Application

• Key intermediate in the synthesis of azo dyes and pigments.
• Reagent for sulfonation and nitration reactions in organic chemistry.
• Building block for pharmaceutical active ingredients and agrochemicals.
• Used in research and development for creating novel chemical entities.
• Potential catalyst or co-catalyst in specific acid-catalyzed industrial processes.
• Starting material for the production of corrosion inhibitors and specialty surfactants.

Basic Information

Item	Detail
Product Name	Dinitrobenzenesulfonic Acid
CAS No.	12379-41-8
Molecular Formula	C6H4N2O7S
Molecular Weight	248.17 g/mol
Synonyms	2,4-Dinitrobenzenesulfonic Acid; Dinitrobenzenesulphonic Acid; Benzenesulfonic acid, dinitro-; 2,4-Dinitrobenzene-1-sulfonic Acid; DNBSA; Dinitrophenylsulfonic Acid; (2,4-Dinitrophenyl)sulfonic Acid
EINECS	Contact for details

Quality Control

Our Dinitrobenzenesulfonic Acid is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, moisture content, and residual solvents to guarantee batch-to-batch consistency and reliability for your processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and reducing agents. Due to its nature as a strong acid/organic solvent, appropriate secondary containment is recommended. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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