Description

Copper Bis(Methylbenzenesulphonate) is a specialized organometallic salt with the CAS number 73188-73-5, valued for its role as a catalyst and reagent in advanced organic synthesis. This compound is particularly significant for facilitating cross-coupling and other transition metal-catalyzed reactions critical for constructing complex molecular architectures. It is an essential material for R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical industries seeking efficient and selective synthetic pathways.

Application

• As a catalyst precursor in cross-coupling reactions (e.g., Suzuki, Heck, Sonogashira) for C-C bond formation.
• As a reagent or catalyst in organic synthesis for the preparation of fine chemicals and pharmaceutical intermediates.
• Use in electroplating solutions and surface treatment formulations for specialized metal coatings.
• Potential application as a stabilizer or additive in polymer and material science research.
• Employed in research and development of new catalytic systems and coordination chemistry studies.

Basic Information

Product Name	Copper Bis(Methylbenzenesulphonate)
CAS No.	73188-73-5
Molecular Formula	C14H14CuO6S2
Molecular Weight	413.93 g/mol
Synonyms	Copper(II) p-Toluenesulfonate; Copper p-Tosylate; Bis(p-toluenesulfonato)copper; Cupric Tosylate; Copper Ditosylate; Copper(2+) bis(4-methylbenzenesulfonate); p-Toluenesulfonic Acid Copper Salt
EINECS	Contact for details

Quality Control

Our production of Copper Bis(Methylbenzenesulphonate) adheres to stringent internal quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity, assay, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory 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 minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Blue to green-blue crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in water, methanol, DMF

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