The Catalytic Dehyrochlorination of 1, 2-Dichloroethane on Active Carbon in the Presence of Some Hydrocarbons

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Abstract
The catalytic pyrolysis of 1, 2-dichloroethane on active carbon, carried out at 300 and 400°C in the presence of toluene, benzene and n-hexane, resulted predominantly in ethylene instead of vinyl chloride, which is known in the literature as the major pyrolysis product of the titled compound; the pyrolysis rates were suppressed by these hydrocarbons. These results have been explained by assuming a radical-chain mechanism similar to that suggested for the “homogeneous” pyrolysis of this compound. The chain length derived from the proposed mechanism has been estimated to be 20 to 50.

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