Copper Pyrophosphate

We are Dhruv Chemicals, a leading Manufacturer, Exporter, and Supplier of Copper Pyrophosphate. Our inorganic metal salt boasts a minimum purity of 99%. This inorganic copper(II) salt, also known as cupric pyrophosphate, offers exceptional quality and reliability for various industrial applications.

 

Copper pyrophosphate (Cu_2P_2O_7) is a highly specialized inorganic salt that serves as the primary copper source in mildly alkaline, cyanide-free electroplating baths.

Technical Specifications ParameterStandard Commercial Grade

Chemical Formula	Cu_2P_2O_7
Appearance	Light blue crystalline powder
Copper (Cu) Content	34.0% – 35.0%
Solubility	Insoluble  in water; highly soluble in aqueous potassium pyrophosphate or acidic solutions
Operating pH	Plating baths typically operate between 8.0 and 8.8

Primary Electroplating Applications

Unlike acidic copper sulfate baths, copper pyrophosphate requires a complexing agent (typically potassium pyrophosphate) to dissolve in water and facilitate the plating process.

• Printed Circuit Boards (PCBs): Pyrophosphate baths are highly favored in electronics manufacturing due to their exceptional "throwing power." This ensures uniform, defect-free copper plating deep inside the microscopic through-holes and vias of circuit boards.
• Plating on Plastics & Zinc: It functions as an excellent strike or undercoat. It applies a smooth, dense, and highly ductile copper layer onto plastics and zinc die-castings without the aggressive chemical attack typical of highly acidic baths.
• Cyanide Replacement: It provides a much safer, environmentally compliant alternative to highly toxic copper cyanide baths, while still yielding fine-grained, structurally sound metallic deposits.

Commercial & Trading Dynamics

 

From a chemical trading and supply chain perspective, the pricing of copper pyrophosphate is volatile and requires monitoring two distinct raw material markets. Base spot pricing is tightly pegged to live London Metal Exchange (LME) copper cathode rates, while manufacturing premiums fluctuate based on the industrial availability of phosphoric acid and its derivatives. It is typically packaged and shipped in 25 kg HDPE bags or fiber drums with moisture-sealed inner liners to prevent degradation during transit.