INTRODUCTION
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.
Manufacture
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.
| Synonyms | 2-Oxopropionic Acid Acetylformic Acid |
| CAS no. | 127-17-3 |
| EINECS no. | 204-824-3 |
| Molecular formula | C3H4O3 |
| Molecular weight | 88.06 |
| Structure |  |
Applications
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.
Pharmaceuticals
2-oxopropionic acid is used in manufacture of:
| Levodopa, an antiparkinsonian drug |
| Thiabendazole, an anthelmintic agent |
Amino Acids
It is cited to have a role in synthesis of amino acids:
| Tryptophan |
| Phenylalanine |
Agrochemicals
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. |
Intermediates
Alkyl esters and bromopyruvic acid are main intermediates made from pyruvic acid.
SPECIFICATIONS
| Test | Unit | Specification |
|---|---|---|
| Appearance | – | 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 | % | Min 98.0 |
| Assay by GC | % | Min 95.0 |
| Acetic acid by GC | % | Max 1.0 |
| Water (by KF) | % | Max 1.0 |
| Sulphate by colorimetry | ppm | Max 400 |
| Chloride by colorimetry | ppm | Max 100 |
| Heavy metals by colorimetry | ppm | Max 10 |
| Arsenic by colorimetry | ppm | Max 1.0 |
STORAGE
The recommended storage temperature for the product is 2° to 8°C. The product needs to be maintained under inert gas.
PACKING
200 kg UN-approved MS drum
ExSyn offers pyruvic acid on commercial scales and welcomes enquiries. No matter the quantity you need, our exceptional quality and service will make ExSyn your supplier of choice! If you need any additional information or SDS, please get in touch with us.
Undecylenic acid is an unsaturated fatty acid naturally derived from castor oil. It is a colorless to pale yellow liquid with antifungal and antimicrobial properties. Chemically known as 10-undecenoic acid, it contains an 11-carbon chain with one double bond and is widely used in pharmaceuticals
5-Nitro Isophthalic Acid (5-NIPA) is an aromatic organic compound derived from isophthalic acid. The presence of two carboxylic acid groups along with a nitro substituent at the 5-position makes it a valuable intermediate in the manufacture of fine chemicals, pharmaceuticals, dyes, pigments, and advanced materials.
Trichloroacetonitrile is a halogenated organic compound belonging to nitrile family. Its strong electrophilic character makes it a valuable intermediate in organic synthesis. It readily undergoes hydrolysis, particularly under acidic or basic conditions, yielding trichloroacetamide and related derivatives.
Zinc Dialkyl Dithio Phosphate (ZDDP) belongs to a family of coordination compounds classified as members of transition metal dithiophosphate.
ZDDP is widely used based on a combination of different selected alcohols thus providing antiwear performance and enhanced thermal and hydrolytic stability. In combination with other additives, it is especially used for the formulation of hydraulic fluids, industrial gear oils, metalworking fluids, greases and automotive engine oils.
Dibutyl sulfide is an organosulfur. It is a clear, colorless to pale yellow liquid characterized by a strong sulfur-like odor and is primarily used as an intermediate in chemical synthesis, specialty organic manufacturing, and research applications. The compound exhibits good solvency properties and moderate thermal stability, making it useful in industrial and laboratory processes involving sulfur-containing organic compounds.
Oleylamine is a long-chain (C18) primary fatty amine derived from natural fatty acids, typically sourced from vegetable oils. It is produced from oleic acid through conversion of the carboxylic acid group (–COOH) into an amine group (–NH₂). With its optimal balance of hydrophobic chain length and reactive amine functionality it serves as a versatile and dependable building block for high-performance formulations.
Sodium Hyaluronate is the sodium salt of hyaluronic acid, a naturally occurring glycosaminoglycan known for its exceptional ability to retain moisture, along with its viscoelastic and biocompatible properties, making it highly valuable across pharmaceutical, cosmetic, and biomedical applications.
Pyrazinamide is a first-line antitubercular drug used in combination therapy for the treatment of tuberculosis (TB). It is a synthetic pyrazine derivative and acts as a prodrug, which is converted into its active form (pyrazinoic acid) inside Mycobacterium tuberculosis.
6-Bromopyridine-2,3-diamine is a heterocyclic organic compound belonging to the class of substituted pyridines. It is used mainly as an intermediate in pharmaceuticals and agrochemicals.