Description

2,4-Dinitrobenzenesulfonic Acid Sodium Salt is a versatile and reactive chemical intermediate, primarily valued for its role as a sulfonating agent and precursor in the synthesis of more complex molecules. Its significance lies in its ability to introduce both sulfonate and nitro functional groups, which are critical for modifying solubility, reactivity, and biological activity in target compounds. This product is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and specialty dye industries.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring sulfonate or nitro-aromatic moieties for enhanced bioavailability or specific pharmacological action.
• Agrochemical Synthesis: Serves as a key building block in the production of herbicides, pesticides, and fungicides, where the nitro and sulfonate groups contribute to the compound's efficacy and environmental fate.
• Dye and Pigment Manufacturing: Acts as a precursor for the synthesis of azo dyes and other colored compounds, providing the necessary aromatic sulfonate structure for water solubility and fiber affinity.
• Chemical Research & Development: Employed in organic synthesis laboratories for methodological studies, catalyst development, and the creation of novel chemical entities.
• Polymer Modification: Utilized to introduce ionic or polar groups into polymer chains, thereby altering physical properties like hydrophilicity, adhesion, or conductivity.
• Cross-coupling Reactions: Functions as a substrate or reagent in palladium-catalyzed and other cross-coupling reactions to form complex biaryl structures.

Basic Information

Product Name	2,4-Dinitrobenzenesulfonic Acid Sodium Salt
CAS No.	885-62-1
Molecular Formula	C6H3N2O7SNa
Molecular Weight	270.15 g/mol
Synonyms	Sodium 2,4-dinitrobenzenesulfonate; Benzenesulfonic acid, 2,4-dinitro-, sodium salt; 2,4-Dinitrobenzenesulfonate sodium salt; Dinitrobenzenesulfonic acid sodium salt; DNBS-Na; 2,4-DNBS-Na; 2,4-Dinitrophenylsulfonic acid sodium salt
EINECS	212-937-7

Quality Control

Every batch of our 2,4-Dinitrobenzenesulfonic Acid Sodium Salt undergoes rigorous analytical testing to ensure consistent purity and performance. Our quality assurance protocols are designed to meet the stringent requirements of industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment 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, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials such as strong reducing agents and bases.

Specification

Item	Specification
Appearance	Yellow to orange 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	≤ 0.1%
Solubility (1% in Water)	Clear, yellow solution

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