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ChemicalBook CAS DataBase List Disulfur dichloride
10025-67-9

Disulfur dichloride synthesis

8synthesis methods
Disulfur dichloride is prepared as an orange liquid by passing chlorine gas through molten sulfur. If excess chlorine is passed and in the presence of a trace FeCl3 or iodine as catalyst, an equilibrium mixture of about 85% dichloride, SCl2 , and 15% S2Cl2 is obtained. The dichloride dissociates to Disulfur dichloride:
2SCl2 ? S2Cl2 + Cl2
Disulfur dichloride is separated by fractional distillation.
-

Yield:-

Reaction Conditions:

with sulfurbyproducts: thiophosgene, tricholoromethyl sulfur chloride; at 220°C;

References:

Klason, P. [Chemische Berichte,1887,vol. 20,p. 2376 - 2383]

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