Chlorine fluorosulfate is an inorganic compound with the chemical formula . This is a derivative of fluorosulfonic acid.
Chlorine fluorosulfonate can be prepared by reacting sulfur trioxide and chlorine monofluoride at low temperatures:
The compound can also be prepared by reacting sulfonyl fluoride peroxide with chlorine at 125 ðC under high pressure:
The compound is a highly reactive, and forms a pale yellow liquid that reacts violently with water. The compound decomposes upon warming to room temperature, turning red.
Chlorine trifluoride oxide reacts with chlorine fluorosulfate:
The reaction also produces .
The compound also reacts with nitronium perchlorate to produce chlorine perchlorate:
The compound is used as a chlorinating agent, fluorosulfating agent, and oxidizer.