| a colorless liquid, SO2Cl2, having a very pungent odor and corrosive to the skin and mucous membranes: used as a chlorinating or sulfonating agent. |
| sulfuryl chloride n. A colorless liquid, SO2Cl2, having a pungent odor, used as a chlorinating and dehydrating agent and in the manufacture of pharmaceuticals, dyestuffs, and poison gases. |