Description

2,4-Dinitrochlorobenzene-6-Sulfonic Acid is a key sulfonated aromatic intermediate with significant synthetic utility. This compound is valued for its dual functionality, serving as a versatile electrophile and a source of sulfonic acid groups in complex organic synthesis. It is primarily sought by manufacturers in the dye and pigment, pharmaceutical, and agrochemical industries for the production of specialty chemicals and active ingredients.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing sulfonated azo dyes, acid dyes, and reactive dyes, enhancing water solubility and color fastness.
• Pharmaceutical Synthesis: Used in the preparation of sulfonamide-based drug candidates and other active pharmaceutical ingredients (APIs) requiring aromatic sulfonation.
• Agrochemical Production: Serves as an intermediate in the manufacture of certain herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Employed as a specialized reagent in organic synthesis for introducing nitro and sulfonate groups into molecular frameworks.
• Surfactant and Detergent Industry: Can be used to synthesize specialized anionic surfactants with specific aromatic backbones.
• Polymer Modification: Acts as a monomer or modifying agent for creating polymers with ion-exchange or specific adhesive properties.

Basic Information

Product Name	2,4-Dinitrochlorobenzene-6-Sulfonic Acid
CAS No.	4515-26-8
Molecular Formula	C6H3ClN2O7S
Molecular Weight	282.61 g/mol
Synonyms	2-Chloro-1,3-dinitrobenzene-5-sulfonic Acid; 5-Chloro-2,4-dinitrobenzenesulfonic Acid; 2,4-Dinitro-5-chlorobenzenesulfonic Acid; 1-Chloro-2,4-dinitrobenzene-6-sulfonic Acid; DNCB-sulfonic Acid; 2,4-Dinitrochlorobenzene-p-sulfonic Acid; Benzenesulfonic acid, 5-chloro-2,4-dinitro-
EINECS	Contact for details

Quality Control

Our 2,4-Dinitrochlorobenzene-6-Sulfonic Acid is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency and high purity, meeting the specifications required for industrial and fine chemical synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your quality standards.

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 tightly sealed to prevent absorption of atmospheric moisture. As a strong oxidizer, it should be stored separately from combustible materials, reducing agents, and strong bases.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Chloride Content	Conforms
Sulfate Ash	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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