Sulfur compounds: disulphur dichloride

sulfur symbol icon

The sulfur in disulphur dichloride formally is in the oxidation state 1.

Crystal structure of disulphur dichloride

Disulphur dichloride

  • Formula as often written: ClSSCl
  • Hill system formula: Cl2S2
  • CAS registry number: [10025-67-9]
  • Formula weight: 135.037
  • Class: chloride


  • disulphur dichloride
  • sulphur(I) chloride
  • disulfur dichloride
  • sulfur chloride
  • sulfur(I) chloride
  • sulphur chloride

Physical properties

  • Colour: golden yellow
  • Appearance: liquid, foul smelling
  • Melting point: -76°C
  • Boiling point: 138°C
  • Density: 1677 kg m-3


Coming soon...

Element analysis

Element percentages for the elements in disulphur dichloride
Element %
Cl 52.51
S 47.49


Not available

Solid state structure

  • Geometry of sulfur: 2 coordinate: bent
  • Prototypical structure:

Crystal structure of disulphur dichloride

Isotope pattern

What follows is the calculated isotope pattern for the ClSSCl unit with the most intense ion set to 100%.

Formula: Cl2S2

mass  %
134 100.0 __________________________________________________
135 1.6 _
136 72.8 ____________________________________
137 1.1 _
138 16.1 ________
139 0.2
140 1.1 _
141 0.0
142 0.0


The data on these compounds pages are assembled and adapted from the primary literature and several other sources including the following.

  • R.T. Sanderson in Chemical Periodicity, Reinhold, New York, USA, 1960.
  • N.N. Greenwood and A. Earnshaw in Chemistry of the Elements, 2nd edition, Butterworth, UK, 1997.
  • F.A. Cotton, G. Wilkinson, C.A. Murillo, and M. Bochmann, in Advanced Inorganic Chemistry, John Wiley & Sons, 1999.
  • A.F. Trotman-Dickenson, (ed.) in Comprehensive Inorganic Chemistry, Pergamon, Oxford, UK, 1973.
  • R.W.G. Wyckoff, in Crystal Structures, volume 1, Interscience, John Wiley & Sons, 1963.
  • A.R.West in Basic solid state chemistry Chemistry, John Wiley & Sons, 1999.
  • A.F. Wells in Structural inorganic chemistry, 4th edition, Oxford, UK, 1975.
  • J.D.H. Donnay, (ed.) in Crystal data determinative tables, ACA monograph number 5, American Crystallographic Association, USA, 1963.
  • D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
  • J.W. Mellor in A comprehensive treatise on inorganic and theoretical chemistry, volumes 1-16, Longmans, London, UK, 1922-1937.
  • J.E. Macintyre (ed.) in Dictionary of inorganic compounds, volumes 1-3, Chapman & Hall, London, UK, 1992.

WebElements Shop

WebElements now has a WebElements shop at which you can buy periodic table posters, mugs, T-shirts, games, fridge magnets, molecular models, and more.

Periodic Table fridge magnets Periodic Table fridge magnets
Buy our periodic table fridge magnets here

WebElements poster Periodic table t-shirts Periodic table mouse mats Molymod molecular model kits Chemistry educational resources

sulfur atomic number