Description

Potassium Toluenesulphonate is the potassium salt of p-toluenesulfonic acid, a versatile organic intermediate and functional additive. This compound is valued for its solubility in water and polar solvents, making it an effective catalyst, phase-transfer agent, and electrolyte component in various chemical processes. It serves critical roles in industries such as pharmaceuticals, agrochemicals, dyes, and polymer synthesis, where consistent quality and reliable supply are paramount for production efficiency.

Application

• As a catalyst or co-catalyst in organic synthesis reactions, including esterification and alkylation.
• Utilized as a phase-transfer catalyst (PTC) to facilitate reactions between reagents in immiscible phases.
• Employed as an electrolyte additive or component in electrochemical applications and battery research.
• Acts as a hydrotropic agent to increase the aqueous solubility of poorly soluble organic compounds.
• Used in the synthesis of specialty chemicals, including dyes, pigments, and pharmaceutical intermediates.
• Serves as a key raw material or intermediate in the production of agrochemicals and surfactants.
• Applied in polymer chemistry as a polymerization aid or modifier for specific resin systems.

Basic Information

Product Name	Potassium Toluenesulphonate
CAS No.	30526-22-8
Molecular Formula	C7H7KO3S
Molecular Weight	210.29 g/mol
Synonyms	Potassium p-Toluenesulfonate; 4-Methylbenzenesulfonic Acid Potassium Salt; Potassium Tosylate; Toluenesulfonic Acid Potassium Salt; Potassium 4-Methylbenzenesulphonate; Potassium Tos; p-Toluenesulfonic Acid Potassium Salt; Potassium Toluenesulfonate
EINECS	250-229-1

Quality Control

Our Potassium Toluenesulphonate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and physical properties. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Clear, colorless solution
pH (5% aqueous solution)	6.0 - 8.0

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