Chlorine fluorosulfate
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| Identifiers | |
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3D model (JSmol) |
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| ChemSpider | |
PubChem CID |
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| Properties | |
| ClFO3S | |
| Molar mass | 134.51 g·mol−1 |
| Appearance | Light yellow liquid |
| Density | 1.71 g/cm³ |
| Melting point | −84.3 °C |
| Boiling point | 43.4 °C |
| reacts with water | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chlorine fluorosulfate is an inorganic compound with the chemical formula ClFO3S.[1] This is a derivative of fluorosulfonic acid.
Chlorine fluorosulfonate can be prepared by reacting sulfur trioxide and chlorine monofluoride at low temperatures:[2]
- SO3 + ClF → ClOSO2F
The compound can also be prepared by reacting sulfonyl fluoride peroxide with chlorine at 125 °C under high pressure:
- Cl2 + S2O6F2 → 2ClOSO2F
Physical properties
The compound is a highly reactive, and forms a pale yellow liquid that reacts violently with water.[3] The compound decomposes upon warming to room temperature, turning red.
Chemical properties
Chlorine trifluoride oxide reacts with chlorine fluorosulfate:
- ClOF3 + 2ClOSO2F → S2O5F2 + FClO2 + 2ClF
The reaction also produces SO2F2.[4]
The compound also reacts with nitronium perchlorate to produce chlorine perchlorate:[5]
- 2ClOSO2F + NO2ClO4 → ClClO4 + NO2SO3F