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Glyoxylic acid is used in Hopkins Cole reaction, which is used in the detection of tryptophan in proteins. It reacts with phenol to get 4-hydroxymandelic acid, which on further reaction with ammonia gives hydroxyphenylglycine, as a precursor to the drug amoxicillin. It is also used as a starting material for the preparation of 4-hydroxyphenylacetic acid, which is used to get atenolol. It is involved in the production of agrochemicals, aromas, cosmetic ingredient and pharmaceutical intermediate. It is also used in water purification and in the preservation of food. Further, it is employed as precursor in the synthesis of iron chelates. In addition to this, it serves as an intermediate of varnish material and dyes.
For use in aqueous hetero Diels-Alder reactions, see: Tetrahedron, 50, 10265 (1994).
Reagent for the facile deprotection of oximes in aqueous medium: Tetrahedron Lett., 45, 3161 (2004).
Qin, W.; Guo, R. Metallization of polyester fabric by autocatalytic copper plating process using glyoxylic acid as a reducing agent. Fiber Polym. 2015, 16 (8), 1671-1675.
Uslu, H.; Datta, D.; Kumar, S. Investigations on the Reactive Extraction of Glyoxylic Acid by Amberlite-LA2 Dissolved in Alcoholic Diluents. Sep. Sci. Technol. 2015, 50 (17), 2658-2667.
Gefahrenhinweise (EU): H314-H318-H317
Causes severe skin burns and eye damage. Causes serious eye damage. May cause an allergic skin reaction.
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.