Sulfonyl diisocyanate

Sulfonyl diisocyanate is an organic chemical compound of carbon, nitrogen, oxygen, and sulphur with the molecular formula .

Synthesis

Sulfonyl diisocyanate is obtainable directly from certain proportions of cyanogen bromide () and sulfur trioxide:

The compound can also be obtained by reacting chlorosulfonyl isocyanate (), produced by reaction of cyanogen chloride () and with silver cyanate () at .

Physical properties

Sulfonyl diisocyanate is a volatile, colorless to pale yellow liquid that reacts violently with water to form carbon dioxide () and sulfamide (). The compound remains stable in sealed containers.

Chemical properties

Sulfuryl diisocyanate reacts with dimethyl sulfoxide in acetonitrile to form sulfonyl bis (dimethylsulfilimine):

See also

• Chlorosulfonyl isocyanate
• Fluorosulfonyl isocyanate
• Fluorosulfonyl azide
• Trifluoromethanesulfonyl azide

References