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Revision as of 13:16, 15 February 2012 by Beetstra (talk | contribs) (Saving copy of the {{chembox}} taken from revid 472543797 of page Calcium_fluoride for the Chem/Drugbox validation project (updated: '').)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)This page contains a copy of the infobox ({{chembox}}) taken from revid 472543797 of page Calcium_fluoride with values updated to verified values. |
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Properties | |||
Chemical formula | CaF2 | ||
Molar mass | 78.075 g·mol | ||
Appearance | White crystalline solid (single crystals are transparent) | ||
Density | 3.18 g/cm | ||
Melting point | 1,418 °C (2,584 °F; 1,691 K) | ||
Boiling point | 2,533 °C (4,591 °F; 2,806 K) | ||
Solubility in water | 0.0015 g/100 mL (18 °C) 0.0016 g/100 mL (20 °C) | ||
Solubility product (Ksp) | 3.9 x 10 | ||
Solubility | insoluble in acetone slightly soluble in acid | ||
Refractive index (nD) | 1.4338 | ||
Structure | |||
Crystal structure | cubic crystal system, cF12 | ||
Space group | Fm3m, #225 | ||
Coordination geometry | Ca, 8, cubic F, 4, tetrahedral | ||
Hazards | |||
Occupational safety and health (OHS/OSH): | |||
Main hazards | Reacts with conc. sulfuric acid to produce hydrofluoric acid | ||
NFPA 704 (fire diamond) | 0 0 0 | ||
Flash point | Non-flammable | ||
Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) | 4250 mg/kg (oral, rat) | ||
Related compounds | |||
Other anions | Calcium chloride Calcium bromide Calcium iodide | ||
Other cations | Beryllium fluoride Magnesium fluoride Strontium fluoride Barium fluoride | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Y verify (what is ?) Infobox references |
Chemical compound
- Pradyot Patnaik. Handbook of Inorganic Chemicals. McGraw-Hill, 2002, ISBN 0070494398
- X-ray Diffraction Investigations of CaF2 at High Pressure, L. Gerward, J. S. Olsen, S. Steenstrup, M. Malinowski, S. Åsbrink and A. Waskowska, Journal of Applied Crystallography (1992), 25, 578-581 doi:10.1107/S0021889892004096