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Opis
Dicalcium Phosphate
Other Names: Calcium hydrogen phosphate, Phosphoric acid calcium salt (1:1), Monobasic calcium phosphate
CAS Number: 7757-93-9
Sum Formula: CaHPO₄
Molar Mass: 136.06 g/mol
Appearance: White, odorless crystalline powder
Dicalcium phosphate is an inorganic compound consisting of calcium and phosphate in a 1:1 molar ratio. It exists in both anhydrous and dihydrate forms and is widely used in technical and industrial applications due to its chemical stability, insolubility in water, and compatibility with a variety of formulations.
Chemical and Physical Properties
Density: 2.92 g/cm³ (anhydrous)
Melting Point: Decomposes above 190°C
Boiling Point: Not applicable (decomposes)
Solubility in Water: Slightly soluble (~0.02 g/100 mL at 25°C)
Solubility in Other Solvents: Insoluble in alcohol, soluble in dilute acids
Odor: Odorless
Applications
Ceramics and Glass: Used as a source of phosphorus in specialty glass and ceramic manufacturing.
Fertilizers: Employed as a phosphorus supplement in controlled-release formulations.
Chemical Industry: Precursor for other calcium phosphate salts and materials.
Polishing Agents: Component in abrasive and polishing formulations for metals and ceramics.
Industrial Fillers: Used as a filler in coatings, resins, and sealants.
Safety
This chemical does not meet GHS hazard criteria for 97.2% (455 of 468) of all reports.
Handling and Storage
Storage Conditions: Store in a tightly sealed container in a dry, cool, and well-ventilated location. Keep away from strong acids and moisture.
Handling Precautions: Avoid creating dust. Use appropriate PPE, including eye protection and dust masks if necessary. Handle in accordance with good industrial hygiene and safety practices.