Description

5-Chloro-2,4-Dinitrobenzenesulphonic Acid is a specialized aromatic sulfonic acid derivative characterized by its nitro and chloro substituents, making it a valuable chemical intermediate. This compound is essential for its role in facilitating electrophilic aromatic substitution and serving as a precursor for more complex molecules. It is primarily needed by manufacturers in the agrochemical, pharmaceutical, and dye industries for the synthesis of active ingredients and functional colorants.

Application

• Agrochemical Intermediate: Key building block in the synthesis of herbicides, pesticides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a precursor for active pharmaceutical ingredients (APIs), particularly in compounds requiring a sulfonic acid moiety.
• Dye and Pigment Manufacturing: Serves as an intermediate in the production of azo dyes and other complex colorants.
• Chemical Research & Development: Employed in organic synthesis laboratories for the development of new sulfonated compounds.
• Cross-coupling Reactions: Acts as a substrate in palladium-catalyzed coupling reactions to create biaryl structures.
• Polymer Modification: Can be used to introduce sulfonic acid groups into polymers for ion-exchange or catalytic properties.

Basic Information

Product Name	5-Chloro-2,4-Dinitrobenzenesulphonic Acid
CAS No.	56961-56-9
Molecular Formula	C6H3ClN2O8S
Molecular Weight	298.61 g/mol
Synonyms	5-Chloro-2,4-dinitrobenzenesulfonic acid; 2,4-Dinitro-5-chlorobenzenesulfonic acid; Benzenesulfonic acid, 5-chloro-2,4-dinitro-; 5-Chloro-2,4-dinitrophenylsulfonic acid; DNCSA; 1-Chloro-2,5-dinitro-4-sulfobenzene; 4-Chloro-3,6-dinitrobenzenesulfonic acid
EINECS	Contact for details

Quality Control

Our 5-Chloro-2,4-Dinitrobenzenesulphonic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics is provided with each shipment to guarantee compliance with your project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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