Description

4-Bromo-Benzenesulfonic Acid Potassium Salt is a versatile organosulfur compound and a key intermediate in advanced organic synthesis. Its value lies in its dual functionality, serving as a source of both a bromoaryl group and a sulfonate anion, which is crucial for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients, functional materials, and high-value fine chemicals.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring bromoaryl or benzenesulfonate moieties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where its chemical structure imparts specific biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for sulfonated ligands used in transition metal catalysis and organometallic chemistry.
• Polymer Modification: Employed to introduce sulfonate groups into polymers, enhancing properties like hydrophilicity, ion-exchange capacity, or dyeability.
• Dyestuff and Pigment Manufacturing: Acts as an intermediate in the synthesis of brominated and sulfonated dyes and organic pigments.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.

Basic Information

Product Name	4-Bromo-Benzenesulfonic Acid Potassium Salt
CAS No.	66788-58-7
Molecular Formula	C6H4BrKO3S
Molecular Weight	275.16 g/mol
Synonyms	Potassium 4-Bromobenzenesulfonate; 4-Bromobenzenesulfonic Acid Potassium Salt; p-Bromobenzenesulfonic Acid Potassium Salt; Potassium p-Bromobenzenesulfonate; Benzenesulfonic acid, 4-bromo-, potassium salt; 4-Bromophenylsulfonic Acid Potassium Salt
EINECS	Contact for details

Quality Control

Our production of 4-Bromo-Benzenesulfonic Acid Potassium Salt adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, guaranteeing traceability and compliance with relevant industry 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). This product is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent caking or decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Loss on Drying	≤1.0%
Heavy Metals	≤20 ppm
Residue on Ignition (Sulfated Ash)	Contact for details

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