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Glyoxylicacid (English glyoxylicacid), also known as formylcarboxylic acid, hydrated glyoxylic acid, oxyacetic acid, chemical formula C2H203, is the simplest aldehyde acid, found in unripe fruits, young green leaves and sugar beets. Crystallized from water is monoclinic crystalline (containing 1/2 crystal water). The relative molecular mass is 70.04. Melting point 98 °c. It has an annoying taste, is a highly corrosive acid, is very easy to deliquescence, exposed to Chemicalbook in the air, can form a slurry. Slightly soluble in ethanol, ether, benzene, can be arbitrarily soluble in water, aqueous solution in air is very stable, does not deteriorate. It is present in hydrated form in an aqueous solution. It reacts with most metals except stainless steel. It has both acid and aldehyde properties. It can be added with sodium bisulfite or hydrocyanic acid, react with hydroxylamine or phenylhydrazine to form oxime or hydrazone, can occur silver mirror reaction, can occur connicharo reaction, can also produce carboxylates and esters.
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Pharma Sources Insight JANUARY 2024
