Sulfuryl chloride CAS 7791-25-5

Sulfuryl chloride, with the CAS number 7791-25-5, is a chemical compound that is primarily recognized for its use as a chlorinating agent in organic synthesis. Its molecular formula is SO₂Cl₂, and it has a molecular weight of approximately 134.97 g/mol.
Physical Properties:
Appearance: Sulfuryl chloride is a colorless fuming liquid with a pungent odor. It is known to be very toxic when inhaled and corrosive to metals and biological tissues.
Density: The density of sulfuryl chloride is about 1.67 g/cm³ at 20 °C.
Melting and Boiling Points: It has a melting point of -54.1 °C and a boiling point of 69.4 °C.
Solubility: Sulfuryl chloride hydrolyzes in water, producing sulfuric acid and hydrochloric acid, and is miscible with organic solvents like benzene and chloroform.
Chemical Behavior:
Sulfuryl chloride is produced by the reaction of sulfur dioxide with chlorine gas. It is utilized in various chemical reactions, particularly for chlorination processes, and can dissociate into sulfur dioxide and chlorine under certain conditions.
Safety Considerations:
Due to its highly toxic nature, sulfuryl chloride requires careful handling. It is classified with hazard statements indicating that it causes severe skin burns and eye damage, and it may cause respiratory irritation. Proper safety measures, including the use of personal protective equipment (PPE), are essential when working with this compound.
In summary, sulfuryl chloride is a significant reagent in chemical synthesis, particularly for chlorination, and poses various health hazards that necessitate stringent safety protocols during its use.