Process for selectively preparing organic trisulfides

Details Process for selectively preparing organic trisulfides Process for selectively preparing organic trisulfides

C - Chemistry, Metallurgy

07

C

C07C 319/24 (2006.01) C07C 321/14 (2006.01) C07C 323/12 (2006.01)

Patent

CA 2076340

- 31 - ABSTRACT OF THE DISCLOSURE A process for producing a substantially pure organic trisulfide from mercaptan and sulfur (or high rank organopolysulfide) wherein the sulfur is reacted with mercaptan in the presence of a heterogeneous alumina- based catalyst, ammonium, alkali metal or alkaline earth metal modified silica-based catalyst, zinc-based catalyst or mixtures thereof, and recovering a product containing at least a major proportion of trisulfide.

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