Description

4-Pyridineethanesulfonic Acid is a versatile sulfonic acid derivative of pyridine, valued for its strong acidity and utility as a building block in organic synthesis. This compound is particularly significant for introducing sulfonic acid functionality into molecular frameworks, enabling applications in catalysis and material science. It is primarily sought by researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel drug candidates, particularly those requiring sulfonate or pyridine moieties for enhanced solubility or biological activity.
• Catalyst & Ligand Precursor: Used in the preparation of metal-organic catalysts and ligands for various organic transformations, including coupling and polymerization reactions.
• Polymer Modification: Employed to introduce ionic or hydrophilic character into polymers, improving properties for applications in membranes, coatings, and hydrogels.
• Agrochemical Synthesis: Acts as a building block in the development of new herbicides, fungicides, and plant growth regulators.
• Bioconjugation & Protein Research: Utilized in biochemical research for modifying peptides or proteins via its reactive sulfonic acid group.
• Electrolyte Component: Investigated for use in specialized electrochemical applications and battery electrolytes due to its ionic nature.

Basic Information

Product Name	4-Pyridineethanesulfonic Acid
CAS No.	53054-76-5
Molecular Formula	C7H9NO3S
Molecular Weight	187.21 g/mol
Synonyms	2-(4-Pyridyl)ethanesulfonic Acid; 4-(2-Sulfoethyl)pyridine; Pyridine-4-ethanesulfonic Acid; 4-Pyridylethanesulfonic Acid; 4-PES; 2-(Pyridin-4-yl)ethanesulfonic Acid
EINECS	Contact for details

Quality Control

Our 4-Pyridineethanesulfonic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) with detailed specifications are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

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%
Heavy Metals (as Pb)	≤ 10 ppm

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