CAS： 298-12-4
MF： C2H2O3
Appearance： clear yellow solution
|
Description |
Glyoxylic acid (GA) is a 2-oxo monocarboxylic acid derived from acetic acid, with an oxo group at the alpha carbon atom. |
| Structure | Both an aldehyde and a carboxylic acid, known by the identifier NSC 27785. |
| Chemical Nature | Glyoxylic acid functions as both an aldehyde and a carboxylic acid. |
|
Synthesis |
Glyoxylic acid synthesis involves oxidation of a glyoxal solution with hydrogen peroxide, catalyzed by ferrous sulfate and ammonia. This is followed by esterification with sulfuric acid and ethanol, and final hydrolysis, yielding glyoxylic acid at 99.5% purity and an 88% yield. |
| Uses |
ChEBI: A 2-oxo monocarboxylic acid that is acetic acid bearing an oxo group at the alpha carbon atom. |
| Contact Hazards | Glyoxylic acid is used in hair straightening and smoothing treatments by breaking and reforming disulfide bonds to reduce frizz and curliness. Acts as an alternative to formaldehyde for reducing skin irritation. |
InChI:InChI=1/C2H2O3/c3-1-2(4)5/h1H,(H,4,5)/p-1
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In this study, we report that activation of AOX via exposure of 1-MCP treated ‘D’Anjou’ pear fruit to glyoxylic acid triggers an accelerated ripening response. Time course physiological analysis revealed that ripening is evident from decreased fruit firmness and increased internal ethylene. Transcriptomic and functional enrichment analyses revealed genes and ontologies implicated in glyoxylic acid-mediated ripening, including AOX, TCA cycle, fatty acid metabolism, amino acid metabolism, organic acid metabolism, and ethylene-responsive pathways.
Straightening hair tests indicated that the hair straightening effect by Glyoxylic acid was enhanced by the presence of GCA. LC/MS results showed that the addition of GCA enhanced the amount of Glyoxylic acid that penetrated human hair by about four times. ATR FT-IR and FT-IR microscope measurements indicated that Glyoxylic acid was localized more in the innermost region of hair (medulla) than the cortex and cuticle. The Glyoxylic acid accumulated in the medulla disappeared after a hair straightener treatment at 180°C due to the chemical reaction.
Chromic acid oxidation of malonic acid i...
