Preparation of methyl chloride

Details Preparation of methyl chloride Preparation of methyl chloride

1998-05-14

1999-06-29

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

C07C 1716

Patent

active

059170999

ABSTRACT:
Methyl chloride is prepared by effecting liquid-phase reaction between hydrogen chloride and methanol in the absence of a catalyst. The reaction is effected in divided stages including at least an early stage and a last stage. The early stage of reaction is effected in a stoichiometric excess of hydrogen chloride. The last stage of reaction is effected in a stoichiometric excess of methanol. The invention is industrially advantageous in that methyl chloride can be prepared at a high conversion of hydrogen chloride while suppressing the formation of dimethyl ether by-product.

REFERENCES:
patent: 4922043 (1990-05-01), Petrosky
Derwent Publications, Ltd., XP-002071593 Aug. 1995.

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