Chlorine monofluoride
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| Chlorine monofluoride | |
|---|---|
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| Molecular formula | ClF |
| Molar mass | 54.45 g mol−1 |
| CAS number | [7790-89-8] |
| Melting point | −155.6 °C |
| Boiling point | −100.1 °C |
| Density and phase | 1.62 g cm−3 (liquid, −100 °C) |
| Dipole moment | 0.881 D (2.94 × 10−30 C m) |
| Thermodynamic data | |
| Standard enthalpy change of formation ΔfH°gas |
−56.5 kJ mol−1 |
| Standard molar entropy S°gas |
217.91 J K−1 mol−1 |
| Heat capacity, Cp | 33.01 J K−1 mol−1 |
| Disclaimer and references | |
Chlorine monofluoride is a volatile interhalogen compound with the chemical formula ClF. It is a colourless gas at room temperature and is stable even at high temperatures. When cooled to −100 °C, ClF condenses as a pale yellow liquid. Many of its properties are intermediate between its parent halogens, Cl2 and F2.[1]
[edit] Reactivity
Chlorine monofluoride is a versatile fluorinating agent, converting metals and non-metals to their fluorides and releasing Cl2 in the process:
ClF can also chlorofluorinate compounds, either by addition across a multiple bond or via oxidation:
- CO + ClF →
[edit] External links
[edit] References
- Greenwood, N. N.; A. Earnshaw (1997). Chemistry of the Elements, 2nd Edition, Oxford:Butterworth-Heinemann. ISBN 0-7506-3365-4.
- ^ O. Ruff, E. Ascher (1928). "Über ein neues Chlorfluorid-CIF3". Zeitschrift für anorganische und allgemeine Chemie 176 (1): 258-270. DOI:10.1002/zaac.19281760121.
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