Tetrachlorosulfane

Tetrachlorosulfane, also known as sulfur tetrachloride, has the chemical formula SCl4. It is an inorganic compound that exists as a colorless solid at room temperature. Tetrachlorosulfane is a highly reactive substance and is known for its instability. It decomposes readily, particularly in the presence of moisture, to form sulfur dioxide and chlorine. This decomposition can be vigorous.

The compound can be prepared through various methods, typically involving the reaction of sulfur or sulfur chlorides with chlorine gas under specific conditions. Due to its reactivity and tendency to decompose, tetrachlorosulfane is not commonly encountered or used in industrial applications. Its handling requires specialized precautions due to its corrosive nature and the toxic gases produced upon decomposition. Information regarding its physical properties is limited due to its instability. Its structure involves a central sulfur atom bonded to four chlorine atoms, although the exact molecular geometry is subject to discussion, with some theoretical models suggesting a seesaw or square pyramidal arrangement.