| Melting point |
1402 °C |
| Boiling point |
2500 °C (lit.) |
| Density |
3.18 g/mL at 25 °C (lit.) |
| refractive index |
1.434 |
| Flash point |
2500°C |
| storage temp. |
-20°C |
| solubility |
Slightly soluble in acid; insoluble in acetone. |
| form |
rod |
| Specific Gravity |
3.18 |
| color |
white |
| Odor |
Odorless |
| PH |
4 (20°C, 100g/L in H2O, slurry) |
| biological source |
rabbit |
| Water Solubility |
0.015 g. per 100g H20 at room temperature.(INSOLUBLE) |
| Sensitive |
Hygroscopic |
| Crystal Structure |
CaF2 type |
| crystal system |
Cube |
| Merck |
14,1667 |
| Solubility Product Constant (Ksp) |
pKsp: 8.28 |
| Space group |
Fm3m |
| Lattice constant |
| a/nm | b/nm | c/nm | α/o | β/o | γ/o | V/nm3 | | 0.546 | 0.546 | 0.546 | 90 | 90 | 90 | 0.1631 |
|
| Exposure limits |
ACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3; TWA 2.5 mg/m3 |
| Dielectric constant |
2.5（Ambient） |
| Stability |
Stable. Calcium fluoride is inert to organic chemicals and many acids, including HF. It will slowly dissolve in nitric acid. |
| InChIKey |
WUKWITHWXAAZEY-UHFFFAOYSA-L |
| CAS DataBase Reference |
7789-75-5(CAS DataBase Reference) |
| NIST Chemistry Reference |
Calcium fluoride(7789-75-5) |
| EPA Substance Registry System |
Calcium difluoride (7789-75-5) |
