Description

Pyridinium p-Toluenesulfonate is a versatile organic salt widely used as an efficient catalyst and reagent in organic synthesis. Its value lies in its ability to facilitate a range of acid-catalyzed reactions under mild conditions, offering a safer and more controllable alternative to traditional strong acids. This compound is essential for research chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries, where precise reaction control and high product purity are paramount.

Application

• Catalyst for esterification, transesterification, and acetalization reactions.
• Reagent in the synthesis of pharmaceuticals and active pharmaceutical ingredients (APIs).
• Acid catalyst in polymer chemistry and resin production.
• Promoter for glycosylation and other carbohydrate chemistry transformations.
• Mild acid source in protecting group chemistry and deprotection steps.
• Component in formulations for specialty chemical synthesis.
• Research and development tool in academic and industrial laboratories.
• Process intermediate in the manufacture of agrochemicals and dyes.

Basic Information

Product Name	Pyridinium p-Toluenesulfonate
CAS No.	24057-28-1
Molecular Formula	C12H13NO3S
Molecular Weight	251.30 g/mol
Synonyms	Pyridinium Tosylate; PPTS; Pyridinium 4-Methylbenzenesulfonate; p-Toluenesulfonic Acid Pyridinium Salt; 4-Methylbenzenesulfonic Acid Pyridinium Salt; Pyridinium p-Tosylate; Pyridinium Toluenesulfonate
EINECS	Contact for details

Quality Control

Our Pyridinium p-Toluenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
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.