Description

Copper Bis(4-Toluenesulphonate) is an organometallic salt of copper and p-toluenesulfonic acid, widely recognized by its CAS registry number 7144-37-8. This compound serves as a versatile catalyst and reagent in organic synthesis, valued for its Lewis acid properties and ability to facilitate key transformations. It is primarily sought by manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors for developing advanced intermediates and active ingredients.

Application

• As a Lewis acid catalyst in organic synthesis, including Friedel-Crafts alkylation and acylation reactions.
• As a key reagent in the preparation of complex pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• In cross-coupling reactions and other transition metal-catalyzed processes for constructing carbon-heteroatom bonds.
• For research and development in material science, particularly in the synthesis of conductive polymers or metal-organic frameworks (MOFs).
• As a precursor or additive in electroplating solutions and surface treatment formulations.
• In agrochemical synthesis for the production of herbicides, fungicides, and plant growth regulators.

Basic Information

Product Name	Copper Bis(4-Toluenesulphonate)
CAS No.	7144-37-8
Molecular Formula	C14H14CuO6S2
Molecular Weight	405.93 g/mol
Synonyms	Copper p-Toluenesulfonate; Copper Tosylate; Cupric Tosylate; Bis(4-methylbenzenesulfonato)copper; Copper(II) p-toluenesulfonate; Copper(2+) bis(4-methylbenzenesulfonate); p-Toluenesulfonic Acid Copper Salt; Cu(OTs)2
EINECS	Contact for details

Quality Control

Our Copper Bis(4-Toluenesulphonate) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for catalytic and synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for our B2B clients.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Blue to blue-green crystalline powder
Identification (IR)	Conforms to structure
Assay (Cu Content)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water and polar organic solvents

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