Reactions and Uses
Glyoxylic acid is about 10x stronger acid than acetic acid, with an acid dissociation constant of 4.7 × 10−4:
- (HO)2CHCOOH (HO)2CHCO2− + H+
With base, glyoxylic acid disproportionates:
- 2 OCHCOOH + H2O → HOCHCOOH + HOOC–COOH
Even though the aldehyde is a very minor component of its solutions, glyoxylic acid behaves as an aldehyde in its reactions. For example, it gives heterocycles upon condensation with urea and 1,2-diaminobenzene.
Read more about this topic: Glyoxylic Acid
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