Description

Diphosphoric Acid, Copper(2+) Salt is an inorganic copper salt of pyrophosphoric acid, identified by CAS No. 19372-21-5. This compound serves as a valuable source of bioavailable copper ions and acts as a catalyst or precursor in various chemical syntheses. It is essential for manufacturers and researchers in the fields of agriculture, ceramics, catalysis, and specialty chemical production.

Application

• Catalyst Precursor: Used in the synthesis of catalysts for organic reactions and polymerization processes.
• Ceramic & Glass Industry: Acts as a colorant and fluxing agent in the production of colored glasses and ceramic glazes.
• Agricultural Micronutrient: Serves as a source of essential copper in fertilizer formulations and animal feed supplements.
• Wood Preservation: Employed in formulations for protecting timber against fungal decay and insect damage.
• Electroplating & Surface Treatment: Used in electroplating baths to deposit copper coatings and in conversion coatings for metals.
• Laboratory Reagent: Functions as a standard or starting material in analytical chemistry and research applications.
• Flame Retardant Additive: Incorporated into polymers and textiles to enhance fire-resistant properties.

Basic Information

Product Name	Diphosphoric Acid, Copper(2+) Salt
CAS No.	19372-21-5
Molecular Formula	Cu₂H₂P₂O₇
Molecular Weight	274.51 g/mol
Synonyms	Copper(II) pyrophosphate; Cupric pyrophosphate; Dicopper diphosphate; Pyrophosphoric acid, copper(2+) salt; Cu₂P₂O₇; Copper diphosphate; Tricopper bis(orthophosphate)
EINECS	243-013-5

Quality Control

Our Diphosphoric Acid, Copper(2+) Salt is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. Certificates of Analysis (COA) documenting purity, assay, and impurity profiles are available upon request to support your quality assurance protocols.

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 opening to prevent absorption of atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	Light blue to bluish-green powder
Identification (IR)	Conforms
Assay (Cu₂P₂O₇)	≥ 98.0 %
Copper (Cu) Content	Contact for details
Loss on Drying	≤ 2.0 %
Water Insoluble Matter	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm
Chloride (Cl)	≤ 0.01 %
Sulfate (SO₄)	≤ 0.02 %

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