| Identification | |
| Name: | calcium hydrogen phosphate dihydrate |
| Synonyms: | Calcium hydrogen phosphate Dihydrate precipitate; Calcium phosphate dibasic dihydrate; Calcium Phosphate Dihydrate |
| CAS: | 7789-77-7 |
| EINECS: | 231-826-1 |
| Molecular Formula: | CaHPO4?2(H2O) |
| Molecular Weight: | 172.087861 |
| InChI: | InChI=1S/Ca.H3O4P.2H2O/c;1-5(2,3)4;;/h;(H3,1,2,3,4);2*1H2/q+2;;;/p-2 |
| Molecular Structure: |  |
| Properties | |
| Boiling Point: | 158 oC at 760 mmHg |
| Density: | 2.31 |
| Stability: | Stable. Incompatible with acids. |
| Refractive index: | 1.5394 |
| Water Solubility: | Stability Stable. Incompatible with acids. Toxicology Skin, eye and respiratory irritant. Toxicity data (The meaning of any toxicological abbreviations which ap |
| Solubility: |
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| Appearance: | white crystalline solid |
| Specification: | white crystalline solid Safety Statements:26-36 26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 36:Wear suitable protective clothing |
| Storage Temperature: | Keep tightly closed. |
| Usage: | Believed to be precursor of apatite and is found in guano-rich caves; formed by the interaction of guano with calcite and clay at a low ph. |
| Safety Data | |
| Hazard Symbols |
Xi:Irritant
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