Description

Copper Methane Sulfonate is an inorganic salt of methanesulfonic acid, valued for its high solubility and stability in aqueous solutions. This compound serves as a critical source of copper ions in advanced electroplating and electronics manufacturing processes. It is essential for industries requiring precise copper deposition, such as printed circuit board (PCB) fabrication and semiconductor packaging.

Application

• Electroplating & Electronics: Primary copper source for high-speed, through-hole plating and copper pillar bumping in semiconductor interconnects.
• Printed Circuit Board (PCB) Manufacturing: Used in acid copper plating baths for depositing uniform, ductile copper layers on PCB substrates.
• Decorative & Functional Finishing: Employed in plating baths for decorative finishes, EMI/RFI shielding, and undercoats for nickel or chrome.
• Solar Cell Fabrication: Potential use in the metallization process for depositing conductive copper grids on photovoltaic cells.
• Catalysis & Organic Synthesis: Acts as a Lewis acid catalyst in various organic transformations and polymerization reactions.
• Analytical Chemistry & Research: Serves as a reagent and standard in laboratory research and analytical procedures.

Basic Information

Product Name	Copper Methane Sulfonate
CAS No.	54253-62-2
Molecular Formula	C2H6CuO6S2
Molecular Weight	237.74 g/mol
Synonyms	Copper(II) methanesulfonate; Cupric methanesulfonate; Methanesulfonic acid, copper(2+) salt; Copper methylsulfonate; Copper(II) methylsulfonate; Cu(MSA)2; Copper methanesulphonate
EINECS	Contact for details

Quality Control

Our Copper Methane Sulfonate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, metal content, and impurity profiles. A Certificate of Analysis (COA) detailing batch-specific results is provided to guarantee traceability and consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking or degradation.

Specification

Item	Specification
Appearance	Blue to blue-green crystalline solid or solution
Identification (IR)	Conforms
Assay (Cu Content)	≥ 26.0 %
Purity (HPLC)	≥ 98.0 %
Chloride (Cl)	≤ 50 ppm
Sulfate (SO4)	≤ 100 ppm
Iron (Fe)	≤ 10 ppm
Lead (Pb)	≤ 5 ppm
Insolubles	≤ 0.1 %
pH (5% Solution)	3.0 - 5.0

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