Description

Potassium 4-Iodobenzenesulfonate is a versatile organosulfur compound that serves as a key building block in advanced organic synthesis. Its value lies in the combination of the electron-withdrawing sulfonate group and the iodine substituent, making it a valuable precursor for cross-coupling reactions and functional group transformations. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing new active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring aryl-iodide motifs for further functionalization via Suzuki, Heck, or Sonogashira cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides where the benzenesulfonate moiety contributes to biological activity and solubility.
• Ligand and Catalyst Preparation: Serves as a starting material for the synthesis of specialized ligands and organometallic catalysts used in homogeneous catalysis.
• Material Science Research: Employed in the creation of functionalized polymers, liquid crystals, and organic electronic materials due to its ability to introduce sulfonate and iodine functional groups onto aromatic systems.
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of certain iodinated dyes and colorants.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D labs exploring new synthetic methodologies and creating compound libraries for screening.

Basic Information

Product Name	Potassium 4-Iodobenzenesulfonate
CAS No.	166902-23-4
Molecular Formula	C6H4IKO3S
Molecular Weight	322.16 g/mol
Synonyms	4-Iodobenzenesulfonic Acid Potassium Salt; p-Iodobenzenesulfonic Acid Potassium Salt; Benzenesulfonic Acid, 4-iodo-, Potassium Salt; Potassium p-Iodobenzenesulfonate; 4-Iodophenylsulfonic Acid Potassium Salt
EINECS	Contact for details

Quality Control

Our Potassium 4-Iodobenzenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee traceability and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Water Content (KF)	≤2.0%
Heavy Metals	≤20 ppm
Residue on Ignition	≤0.1%

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