Dicalcium phosphate
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| Dicalcium phosphate | |
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| IUPAC name | Calcium hydrogenphosphate |
| Other names | Calcium monohydrogen phosphate |
| Identifiers | |
| CAS number | [7757-93-9] |
| PubChem | |
| SMILES | O.O.OP(=O)([O-])[O-].[Ca+2] |
| Properties | |
| Molecular formula | CaH5O6P |
| Molar mass | 172.088 |
| Solubility in water | 0.02 g/100 mL |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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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 23 percent calcium in its anyhydrous form, and is mainly used as a dietary supplement in prepared breakfast cereals, enriched flour, and noodle products. It is also used as a tableting agent in some pharmaceutical preparations. It is used as a feed for poultry.
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