Abstract

Dimethyl sulfide is easily oxidized by ozone at low temperature. In ozone oxidation, residue from ozone is O2 only, and so recovery of reaction products is easy. In this report, we describe the outline of ozone oxidation and then the purity of dimethyl sulfoxide, by gas chromatograph and IR spectrum.Ignition point of dimethyl sulfide in air is 206°C and in oxygen is 204.5°C. The difference between the former and the latter is small.Dimethyl sulfide composes the explosion mixture with O2. In this meaning, we would describe the ozone oxidation condition.

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