Sulfuryl chloride is a colorless to pale yellow fuming liquid with a strong pungent odor. It is highly corrosive and hygroscopic. It emits fumes in moist air and decomposes into sulfur dioxide and chlorine at high temperatures.
Physical & Chemical Properties
Molecular FormulaSO2Cl2
Density:1.67g/cm³g/cm³
Boiling Point:69.1℃
Solubility:
Soluble in acetic acid, benzene, chloroform, diethyl ether and carbon tetrachloride; hydrolyzes violently with water to form sulfuric acid and hydrochloric acid.
Molecular Weight:134.96g/mol
Flash Point:
Melting Point:-54.1℃
Uses
1. Used as a chlorinating agent, chlorosulfonating agent and acyl chlorinating agent in organic synthesis.
2. Used in the manufacture of intermediates for pharmaceuticals, pesticides, dyes, rubber additives and surfactants.
3. Used for the determination of amines and the preparation of sulfonamide compounds.
Safety, Security & Risk
Physical Hazards
Vapors are heavier than air.
Chemical Hazards
Decomposes under the action of moist air, forming chlorine, sulfur oxides, sulfuric acid and hydrogen chloride. Reacts violently with water. Corrodes many metals in the presence of water.