| Identification | |
| Name: | Calcium phosphate, tribasic |
| Synonyms: | Hydroxyapatite or hydroxylapatite;Tribasic Calcium Phosphate;Calcium hydroxide phosphate (Ca5(OH)(PO4)3);Pentacalcium hydroxide tris(orthophosphate), with a fluorine content of less than 0,005 % by weight on the dry anhydrous product;Calcium phosphatetri-basic;Tri-Calcium Phosphate(TCP); |
| CAS: | 12167-74-7 |
| EINECS: | 231-840-8 |
| Molecular Formula: | HCa5O13P3 |
| Molecular Weight: | 1004.64 |
| InChI: | InChI=1S/3Ca.2H3O4P/c;;;2*1-5(2,3)4/h;;;2*(H3,1,2,3,4)/q3*+2;;/p-6 |
| Molecular Structure: |  |
| Properties | |
| Solubility: | Practically insol in alcohol and acetic acid; sol in dilute hydrochloric acid, nitric acid Solubility in cold water: 2 mg/100 cc 2.5 mg/100 g water at 25 deg C |
| Specification: |
Calcium phosphate, tribasic , with CAS number of 12167-74-7, can be called Calcium hydroxide phosphate (5:1:3) ; Calcium hydroxide phosphate ; Hydroxyapatite ; Hydroxyapatite or hydroxylapatite . |
| Storage Temperature: | 2-8°C |
| Color: | White amorphous powder White, crystalline powder Two crystalline modifications are known, the high temperature alpha- and the low-temperature beta-form, transition temperature 110 deg C. Rhombohedral crystals /Whitlockite/ |
| Safety Data | |
| Hazard Symbols |
Xi: Irritant
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