Cadmium fluoride
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"CdF2" redirects here. For the airport in Canada, see Teeswater (Dent Field) Aerodrome.
Cadmium fluoride (CdF2) is a mostly water-insoluble source of cadmium used in oxygen-sensitive applications, such as the production of metallic alloys. In extremely low concentrations (ppm), this and other fluoride compounds are used in limited medical treatment protocols. Fluoride compounds also have significant uses in synthetic organic chemistry.[3] The standard enthalpy has been found to be -167.39 kcal. mole−1 and the Gibbs energy of formation has been found to be -155.4 kcal. mole−1, and the heat of sublimation was determined to be 76 kcal. mole−1.[4][5]
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
Cadmium fluoride | |
Other names
Cadmium(II) fluoride, Cadmium difluoride | |
Identifiers | |
3D model (JSmol) |
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ChemSpider |
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ECHA InfoCard | 100.029.293 |
EC Number |
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PubChem CID |
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UNII | |
CompTox Dashboard (EPA) |
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Properties | |
CdF2 | |
Molar mass | 150.41 g/mol |
Appearance | grey or white-grey crystals |
Density | 6.33 g/cm3, solid |
Melting point | 1,110 °C (2,030 °F; 1,380 K) |
Boiling point | 1,748 °C (3,178 °F; 2,021 K) |
4.35 g/100 mL | |
Solubility product (Ksp) |
0.00644[1] |
Solubility | soluble in acid insoluble in ethanol alcohol and liquid ammonia |
-40.6·10−6 cm3/mol | |
Structure | |
Fluorite (cubic), cF12 | |
Fm3m, No. 225 | |
Thermochemistry | |
Std enthalpy of formation (ΔfH⦵298) |
-167.39 ± 0.23 kcal. mole-1 at 298.15 (K, C?) |
Gibbs free energy (ΔfG⦵) |
-155.4 ± 0.3 kcal. mole-1 at 298.15 (K, C?) |
Hazards | |
GHS labelling: | |
Danger | |
H301, H330, H340, H350, H360, H372, H410 | |
P201, P202, P260, P264, P270, P271, P273, P281, P284, P301+P310, P304+P340, P308+P313, P310, P314, P320, P321, P330, P391, P403+P233, P405, P501 | |
NIOSH (US health exposure limits): | |
PEL (Permissible) |
[1910.1027] TWA 0.005 mg/m3 (as Cd)[2] |
REL (Recommended) |
Ca[2] |
IDLH (Immediate danger) |
Ca [9 mg/m3 (as Cd)][2] |
Related compounds | |
Other anions |
Cadmium chloride, Cadmium bromide Cadmium iodide |
Other cations |
Zinc fluoride, Mercury(II) fluoride, Copper(II) fluoride, Silver(II) fluoride, Calcium fluoride, Magnesium fluoride |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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