Pyruvic acid is a yellowish liquid with vinegar odor. Anatomically, it participates in biological synthesis and metabolic processes of carbohydrates, amino acids, and lipids. Its reactivity is attributed to the presence of two carbonyl groups adjacent to each other and thus the chemical is employed in many synthesis processes leading a variety of end-uses.
The acid is manufactured by ozonolysis of natural rubber (levulinic acid as by-product) or by DL-lactic acid oxidation or by distillation of tartaric acid over KHSO4.
Pyruvic acid has medicinal properties and is reported to improve cardiac function. Food Grade is suitable for consumption by vegetarians and lacto-vegetarians.
Further, it is also an aroma chemical for its sharp sour acetic caramellic odor.
Synthetically, it is employed to make pharmaceuticals, agrochemicals, amino acids and intermediates. Some of the intermediates made from the acid find usage in sedatives and antioxidants.
2-oxopropionic acid is used in manufacture of:
|Levodopa, an antiparkinsonian drug
|Thiabendazole, an anthelmintic agent
It is cited to have a role in synthesis of amino acids:
Pyruvic acid serves a KRM in production of:
|Probenazole, a fungicide
|Thiabendazole, also a fungicide
|consumed as such in cultivation of some strains of soil bacteria.
Alkyl esters and bromopyruvic acid are main intermediates made from pyruvic acid.
|Slightly yellow to yellow liquid
|Identification by IR
|Should pass the test
|Specific gravity at 20°C
|1.267 – 1.275
|Refractive index at 20°C
|1.425 – 1.433
|Assay by titration
|Assay by GC
|Acetic acid by GC
|Water (by KF)
|Sulphate by colorimetry
|Chloride by colorimetry
|Heavy metals by colorimetry
|Arsenic by colorimetry
The recommended storage temperature for the product is 2° to 8°C. The product needs to be maintained under inert gas.
200 kg UN-approved MS drum
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