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Even if he would pass chlorine through methane, he would get "unholy mess of different things", CH3Cl, CH2Cl2, CHCl3, CCl4...


Reaction with the more details is mentioned on website of CH2Cl2



"DCM is produced by treating either chloromethane or methane with chlorine gas at 400–500 °C. At these temperatures, both methane and chloromethane undergo a series of reactions producing progressively more chlorinated products. In this way, an estimated 400,000 tons were produced in the US, Europe, and Japan in 1993.[10]


CH4 + Cl2 → CH3Cl + HCl

CH3Cl + Cl2 → CH2Cl2 + HCl

CH2Cl2 + Cl2 → CHCl3 + HCl

CHCl3 + Cl2 → CCl4 + HCl


The output of these processes is a mixture of chloromethane, dichloromethane, chloroform, and carbon tetrachloride. These compounds are separated by distillation.


DCM was first prepared in 1839 by the French chemist Henri Victor Regnault (1810–1878), who isolated it from a mixture of chloromethane and chlorine that had been exposed to sunlight.[12]"

Edited by Sensei
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Better to use Sodium Hydroxide solution, then bubble the chlorine in. Weigh the solution of Hydroxide and keep an eye on the weight as you bubble the chlorine, aim for no more than 20% increase, then add the Acetone.


That is a very short description, i dont recommend it and dont try and chlorinate Acetone directly.

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