Description

4-(Pyridin-4-Yloxy)-Benzenesulfonic Acid is a specialized sulfonic acid derivative that serves as a valuable synthetic intermediate and building block in advanced chemical synthesis. Its unique structure, featuring both a pyridinyloxy and a benzenesulfonic acid group, makes it a critical precursor for developing active pharmaceutical ingredients (APIs) and functional materials. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create novel molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a precursor for creating complex ligands used in catalytic systems and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Acts as an intermediate in the production of specialized dyes and functional pigments.
• Polymer Modification: Employed to introduce sulfonic acid groups into polymer chains, enhancing properties like hydrophilicity or ion-exchange capacity.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D exploring new organic reactions and molecular architectures.

Basic Information

Product Name	4-(Pyridin-4-Yloxy)-Benzenesulfonic Acid
CAS No.	192329-80-9
Molecular Formula	C₁₁H₉NO₄S
Molecular Weight	251.26 g/mol
Synonyms	4-(4-Pyridinyloxy)benzenesulfonic Acid; Benzenesulfonic acid, 4-(4-pyridinyloxy)-; 4-Pyridin-4-yloxybenzenesulfonic Acid; p-(4-Pyridyloxy)benzenesulfonic Acid; 4-(Pyridin-4-yloxy)phenylsulfonic Acid; 192329-80-9; 4-(4-Pyridyloxy)benzenesulphonic Acid
EINECS	Contact for details

Quality Control

Every batch of 4-(Pyridin-4-Yloxy)-Benzenesulfonic Acid is manufactured under a strict quality management system. We employ advanced analytical techniques, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency meet the exacting standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee reliable performance in your critical applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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