Description

2-Bromo-Benzenesulfonic Acid is a versatile aromatic sulfonic acid derivative, serving as a key synthetic intermediate in advanced organic chemistry. Its value lies in the reactive bromine and sulfonic acid functional groups, which allow for selective substitution and further functionalization. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or fine chemicals.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a brominated benzene sulfonate moiety.
• Agrochemical Synthesis: Serves as a building block for herbicides, fungicides, and other crop protection agents.
• Dye and Pigment Manufacturing: Acts as a precursor or sulfonating agent in the production of colorants and optical brighteners.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymers for ion-exchange resins or to alter material properties.
• Chemical Research: A valuable reagent in organic synthesis for cross-coupling reactions and as a directing group in metal-catalyzed processes.
• Catalyst and Ligand Preparation: Used to synthesize specialized ligands for metal complexes or as a component in catalytic systems.

Basic Information

Product Name	2-Bromo-Benzenesulfonic Acid
CAS No.	576-92-1
Molecular Formula	C6H5BrO3S
Molecular Weight	237.07 g/mol
Synonyms	o-Bromobenzenesulfonic Acid; Benzenesulfonic acid, 2-bromo-; 2-Bromophenylsulfonic Acid; ortho-Bromobenzenesulfonic Acid; Bromobenzene-2-sulfonic Acid; 2-Bromo-1-sulfobenzene; o-Bromophenylsulfonic Acid
EINECS	209-406-8

Quality Control

Our 2-Bromo-Benzenesulfonic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every 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). This material is hygroscopic (moisture-sensitive) and should be kept under dry conditions. Keep away from strong bases and incompatible 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%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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