Strong Coordination Properties: Pyrophosphoric acid exhibits strong coordination capabilities and can react with various metal ions to form soluble complex ions, supporting its use in chemical and industrial applications.
Versatile Chemical Reactivity:Excess P₂O₇⁴⁻ can dissolve insoluble pyrophosphate salts of metals such as copper, silver, zinc, magnesium, calcium, and tin to form stable complex ions.
Useful Industrial Catalyst:Pyrophosphoric acid is used as a catalyst in industrial processes, including the preparation of organic phosphates, demonstrating its value in chemical synthesis.
Distinctive Thermal & Crystalline Properties: Pyrophosphoric acid exhibits different crystalline forms with characteristic melting points and remains stable at room temperature, providing flexibility for storage and processing under suitable conditions.
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Product Description
Product Description-Pyrophosphoric acid CAS#2466-09-3
Pyrophosphoric acid: colorless needle crystal / viscous liquid; may form glassy solid on long storage. Pyrophosphate has strong coordination capacity; excess P₂O₇⁴⁻ dissolves insoluble metal pyrophosphates to form metal complex ions. Used as industrial catalyst for organic phosphate synthesis. White precipitate with silver salts; slow conversion of P₂O₇⁴⁻ to PO₄³⁻ enables differentiation from phosphate (yellow Ag₃PO₄ precipitate). Produced by dehydrating orthophosphoric acid at ~210°C. Soluble in ethanol/ether; corrosive, burns tissue. Solid form highly hygroscopic, soluble in water, ethanol and ether. Decomposes above melting point into mixed phosphoric acids; stable in ice water but decomposes when heated. Type I crystal MP:54.3°C; converts to room-temperature stable Type II (MP:71.5°C) upon sealed heating at ~50°C.
Product Applications-Pyrophosphoric acid CAS#2466-09-3
Pyrophosphoric acid functions as a catalyst, masking agent, metal refining agent and stabilizer for organic peroxides. Additionally, it is applied to adjust the pH of plating solutions in copper electroplating processes.
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Product Data
Chemical Properties-Pyrophosphoric acid CAS#2466-09-3
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