Hydroxyapatite
SIAL/04238 - puriss., meets analytical specification of Ph. Eur., BP, FCC, E341, ≥90% (calculated on glowed substance)
Synonym: Calcium phosphate hydroxide; Durapatite; Hydroxylapatite
CAS Number: 1306-06-5
Empirical Formula (Hill Notation): HCa5O13P3
Molecular Weight: 502.31
EC Number: 215-145-7
MDL Number: MFCD00010904
Linear Formula: 3Ca3(PO4)2 · Ca(OH)2
Product Type: Chemical
| anion traces | chloride (Cl-): ≤1500 mg/kg |
| fluoride (F-): ≤50 mg/kg | |
| sulfate (SO42-): ≤5000 mg/kg | |
| assay | ≥90% (calculated on glowed substance) |
| 35-40% Ca basis | |
| cation traces | As: ≤2 mg/kg |
| Cd: ≤1 mg/kg | |
| Cu: ≤20 mg/kg | |
| Fe: ≤400 mg/kg | |
| Hg: ≤1 mg/kg | |
| Pb: ≤2 mg/kg | |
| Zn: ≤20 mg/kg | |
| form | powder |
| grade | puriss. |
| impurities | residual solvents, complies |
| ≤0.001% heavy metals (as Pb) | |
| ≤0.2% insoluble in HCl | |
| InChI | 1S/5Ca.3H3O4P.H2O/c;;;;;3 |
| InChI key | XYJRXVWERLGGKC-UHFFFAOYSA |
| loss | ≤8% loss on ignition, 800 °C |
| quality | meets analytical specification of Ph. Eur., BP, FCC, E341 |
| Quality Level | 200  |
| SMILES string | [Ca++].[Ca++].[Ca++].[Ca+ |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| Purity | ≥90% (calculated on glowed substance); 35-40% Ca basis |
| UNSPSC | 12352300 |