Process for preparation of glyoxylic acid

Details Process for preparation of glyoxylic acid Process for preparation of glyoxylic acid

1981-12-01

1985-03-05

Garner, Vivian

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

Organic compounds

Carboxylic acids and salts thereof

562577, C07C 5116, C07C 59153

Patent

active

045032467

ABSTRACT:
A process for the preparation of glyoxylic acid is disclosed which comprises reacting an aqueous solution of glyoxal with chlorine. The reaction is preferably carried out under pressure, under the condition that the hydrochloric acid concentration in the aqueous solution of glyoxal is 1 to 15%. The reaction can be carried out in the presence of a catalytically effective amount of bromine as a catalyst.

REFERENCES:
patent: 2443118 (1948-06-01), Plump
patent: 3281460 (1966-10-01), Gandon
patent: 3661986 (1972-05-01), Washecheck

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