Methyl isocyanate process

Details Methyl isocyanate process Methyl isocyanate process

1977-01-03

1978-04-04

Torrence, Dolph H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260453PH, C07C11800

Patent

active

040827879

ABSTRACT:
Process for making methyl isocyanate comprising thermally dehydrochlorinating a solution of methyl carbamyl chloride in an aprotic nonpolar solvent, condensing the gases thereby formed at a temperature above the boiling point of methyl isocyanate so as to liquify at least part of said gases which are condensable at said temperature, removing HCl gas by condensing the remaining condensable gases at a temperature below the boiling point of methyl isocyanate, and separating methyl isocyanate from the condensate obtained in said first condensation step.

REFERENCES:
patent: 3388145 (1968-06-01), Merz
patent: 3969389 (1976-07-01), Urbach et al.

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