Process for producing glyoxylic acid

Details Process for producing glyoxylic acid Process for producing glyoxylic acid

1982-11-05

1987-10-06

Lone, Werren B.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 51235

Patent

active

046984410

ABSTRACT:
A process for producing glyoxylic acid is disclosed which comprises oxidizing glyoxal with an aqueous oxidizing agent composition obtained from nitric acid and a nonoxidizing strong acid present in a concentration of 6 to 40 wt. % in the reaction mixture. Preferably, the nonoxidizing strong acid is hydrochloric acid and the reaction is carried out while nitric acid is gradually added to the reaction mixture so that the concentration of said nitric acid in said reaction mixture does not exceed 1 wt. % during the reaction.

REFERENCES:
patent: 3281466 (1966-10-01), Gandon

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