Dicalcium phosphate
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Dicalcium phosphate 
Calcium hydrogenphosphateOther namesCalcium monohydrogen phosphate
Phosphoric acid, calcium salt (1:1)Identifiers CAS number 7757-93-9 
,
7789-77-7 (dihydrate)PubChem 104805 ChemSpider 10605753 UNII L11K75P92J Jmol-3D images Image 1 - [Ca+2].[Ca+2].[O-]P([O-])([O-])=O
- InChI=1S/2Ca.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+2;/p-3
Key: NEFBYIFKOOEVPA-UHFFFAOYSA-K
InChI=1/2Ca.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+2;/p-3
Key: NEFBYIFKOOEVPA-DFZHHIFOAL
Properties Molecular formula CaHPO4 Molar mass 136.06 g/mol Appearance white powder Density 2.929 g/cm3 Solubility in water 0.02 g/100 mL Hazards EU Index Not listed NFPA 704 
010Flash point Non-flammable 
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)Infobox references Dicalcium phosphate, also known as calcium monohydrogen phosphate, is a dibasic calcium phosphate. It is usually found as the dihydrate, with the chemical formula of CaHPO4 • 2H2O, but it can be thermally converted to the anhydrous form. It is practically insoluble in water, with a solubility of 0.02 g per 100 mL at 25 °C. It contains about 29.5 percent calcium in its anhydrous form.
Preparation
Dicalcium phosphate may be formed by the reaction of stoichiometric quantities of calcium oxide and phosphoric acid:
- CaO + H3PO4 → CaHPO4 + H2O.
Uses
Dicalcium phosphate is mainly used as a dietary supplement in prepared breakfast cereals, dog treats, enriched flour, and noodle products. It is also used as a tableting agent in some pharmaceutical preparations, including some products meant to eliminate body odor. It is used in poultry feed. It is also used in some toothpastes as a tarter control agent.
Calcium compounds CaB6 · CaBr2 · CaC2 · CaCN2 · CaCO3 · CaC2O4 · CaCl · CaCl2 · Ca(ClO)2 · Ca(ClO3)2 · CaCrO4 · CaF2 · CaH2 · Ca(HCO3)2 · CaH2S2O6 · CaI2 · Ca(IO3)2 · Ca(MnO4)2 · Ca(NO3)2 · CaO · CaO2 · Ca(OH)2 · CaS · CaSO3 · CaSO4 · CaSi2 · CaTiO3 · Ca2P2O7 · Ca2SiO4 · Ca3(AsO4)2 · Ca3(BO3)2 · Ca3(C6H5O7)2 · Ca3N2 · Ca3P2 · Ca3(PO4)2 · Ca(H2PO4)2 · CaHPO4 · C36H70CaO4
Categories:- Acid salts
- Calcium compounds
- Food additives
- Phosphates
- Inorganic compound stubs
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Look at other dictionaries:
dicalcium phosphate — di·cal·ci·um phos·phate (di kalґse əm) dibasic calcium phosphate … Medical dictionary
dicalcium phosphate — noun : calcium phosphate 1a(2) … Useful english dictionary
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