Description

2,3-Dichloro-Benzenesulfonic Acid is a versatile organosulfur compound featuring both sulfonic acid and chlorine substituents, making it a valuable intermediate in advanced chemical synthesis. Its dual functionality allows it to act as a building block for creating complex molecules with tailored properties. This compound is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Agrochemical Intermediate: Serves as a key precursor in the synthesis of modern herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a building block for creating sulfonamide-based active pharmaceutical ingredients (APIs) and other drug candidates.
• Dye and Pigment Manufacturing: Functions as an intermediate in the production of specialty dyes, pigments, and colorants.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ion-exchange capacity.
• Chemical Research & Development: A valuable reagent for organic synthesis and process development in R&D laboratories.
• Surfactant and Detergent Industry: Can be utilized to synthesize specialized anionic surfactants for industrial applications.

Basic Information

Product Name	2,3-Dichloro-Benzenesulfonic Acid
CAS No.	93648-06-7
Molecular Formula	C6H4Cl2O3S
Molecular Weight	227.06 g/mol
Synonyms	2,3-Dichlorobenzenesulfonic Acid; Benzenesulfonic acid, 2,3-dichloro-; 2,3-Dichlorophenylsulfonic Acid; 2,3-DCBSA; 2,3-Dichlorobenzene-1-sulfonic Acid; o,m-Dichlorobenzenesulfonic Acid
EINECS	Contact for details

Quality Control

Our 2,3-Dichloro-Benzenesulfonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. A comprehensive Certificate of Analysis (COA) documenting results for assay, related substances, and other critical parameters is provided with every shipment to guarantee traceability and compliance.

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). This material is hygroscopic (moisture-sensitive) and a strong acid; ensure containers are kept sealed to exclude moisture and stored separately from bases and reactive materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Heavy Metals	≤ 20 ppm
Sulfated Ash	≤ 0.1%

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