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CALCIUM PYROPHOSPHATE CAS#7790-76-3
Basic Information
Ca₂P₂O₇
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Calcium pyrophosphate is a phosphate material prepared through solid-state or aqueous routes. The aqueous route yields a dihydrate, while anhydrous material exhibits distinct crystal phases during thermal processing. Water insolubility and solubility in dilute acids influence formulation behavior. The supplied applications include phosphate and fertilizer manufacture, food processing and laboratory transfection-related work, with form selection remaining application-specific.
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Flexible Preparation Methods：Can be produced by both solid-state reaction and aqueous precipitation, allowing adaptable manufacturing processes for different application needs.
Controllable Crystal Phases：Exhibits distinct α and β crystal forms at different temperatures, enabling phase control for specific performance requirements.
Stable Chemical Properties：Insoluble in water but soluble in dilute acids, providing good stability during storage and reliable behavior in various formulations.
Thermal Decomposition Capability：Decomposes at high temperature into useful phosphate compounds, making it suitable as a precursor in high-temperature and chemical processing applications.
Product Description of CALCIUM PYROPHOSPHATE CAS#7790-76-3
Calcium Pyrophosphate (Ca₂P₂O₇, MW 254.14 g/mol) is prepared by heating dibasic orthophosphate or reacting soluble calcium salt with pyrophosphoric acid. The solid-state route yields amorphous product at 240–500 °C; higher temperatures generate distinct crystal phases: β-phase over 750 °C and α-phase at 1140–1350 °C. The aqueous method obtains its dihydrate Ca₂P₂O₇·2H₂O, a water-insoluble white powder soluble in dilute acids. Anhydrous calcium pyrophosphate decomposes into metaphosphate and calcium oxide at 1353 °C. It is dimorphic, and the high-temperature α-phase transforms back to β-phase around 950 °C upon reheating.
Product Application of CALCIUM PYROPHOSPHATE CAS#7790-76-3
Calcium Pyrophosphate is used in phosphoric acid and fertilizer production. It acts as an acidic ingredient in baking leavening systems and is also applied in processed cheese. Moreover, it finds applications in cell gene transfection and the development of contrast agents.
Parameters
Safety Information
Delivery Time
Inventory 2-3 working days New manufacturing 7-10 working days
Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!
1. What products does Shandong Junzheng Chemical supply?
We supply inorganic chemicals, organic solvents, water treatment chemicals, and surfactants, including calcium chloride, soda ash, sodium bicarbonate, caustic soda, citric acid, ethyl acetate, and SLES. Please contact us to confirm specific product availability.
2. Which industries do your products serve?
Our products serve pharmaceutical, agrochemical, dye, rubber, construction, coal processing, and other chemical industries. Product suitability depends on the required grade, specifications, and application.
3. How can I get a quotation?
Please provide the product name, CAS number, required specifications, quantity, packaging requirements, and destination port. These details help us prepare an accurate quotation.
4. How do you control product quality?
We follow strict quality testing procedures supported by technical personnel, research equipment, and an established management system. Specific quality requirements can be confirmed before placing an order.
5. Can you help me select a suitable chemical?
Yes. Our technical team can assist with product selection based on your application and required specifications. Please share your intended use and key technical requirements.
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