Propanoic Acid
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  • Propanoic acid (from 'propane', and also known as propionic acid) is a naturally
    occurring carboxylic acid with chemical formula CH3CH2COOH. It is a clear liquid with a pungent odor. The anion  as well as the salts and esters of propanoic acid are known as propanoates.
  • Propanoic acid has physical properties intermediate between those of the smaller
    carboxylic acids, formic and acetic acids, and the larger fatty acids. It is miscible with water, but can be removed from water by adding salt.
  • In industry, propanoic acid is mainly produced by the hydrocarboxylation of ethylene using nickel carbonyl as the catalyst.
  • It is also produced by the aerobic oxidation of propionaldehyde. In the presence of cobalt or manganese ions, this reaction proceeds rapidly at temperatures as mild as 4050 C.
  • Propanoic acid is produced biologically as its coenzyme A ester, propionyl-CoA, from the metabolic breakdown of fatty acids containing odd numbers of carbon atoms, and also from the breakdown of some amino acids.
  • Bacteria of the genus Propionibacterium produce propanoic acid as the end product of their anaerobic metabolism. This class of bacteria is commonly found in the stomachs of ruminants and the sweat glands of humans.
  • Propionic acid produced by fermentation is widely used in chemical, pharmaceutical and food industries. It is used primarily for animal feed preservation, including hay, silage and grains and in human foods, mainly in baked goods and cheeses.
  • It is also produced via the catalytic dehydration of glycerol in the presence of atleast one transition metal catalyst.
  • It is the major product from lactose fermentation, with acetic acid and carbon dioxide as byproducts. It is a strong inhibitor to this fermentation.
  • Propanoic acid has bee used as a cosubstrate for the production of the biodegradable polymer, poly(3-hydroxybutyric-co-3-hydroxyvaleric)acid, by alcaligenes eutrophus.
  • The metabolism of propanoic acid begins with its conversion to propionyl coenzyme A (propionyl-CoA), the usual first step in the metabolism of carboxylic acids. Since propanoic acid has three carbons, propionyl-CoA cannot directly enter either beta oxidation or the citric acid cycles.
  • Propionic acid bacteria have long been used in the diary industy. These bacteria play important roles int the developement of the characteristic flavor and eye production in swiss-type cheeses.
Introduction
  • Propanoic Acid.
  • General Information.
  • Properties.
  • Overview of Propionic Acid.
  • Propionic FactSheet.
  • Process of propionic acid.

Raw Materials

  • Ethylene.
  • Nickel Carbonyl.
  • 1,2,3-propanetriol.
  • Propionaldehyde.

Product

  • Liquid Preservative for mould control in feedstuffs.
  • Propionic Acid.
  • WSFA-2 Mixture.
  • Methyl Acetic Acid.
  • DimethylolpropionicAcid(DMPA).

Toxicity

  • Propionic Acids-Gastrointestinal toxicity in various species.
  • Propionic acid toxicity.
  • Propionic acid facts.
  • Cautionary Response Information about Propionic acid.

MSDS

  • Propionic Acid MSDS.
  • Material Sheet of Methyl Acetic Acid.
  • Safety Data sheet of Propionic Acid
  • Propanoic Acid MSDS.
  • Data sheet of Carboxyethane.
  • Material Safety Data Sheet of ethylformic acid.
  • Methyl Acetic Acid MSDS.
  • Technical Data sheet of Propionic Acid.
  • Safety Sheet of Carboxyethane.
  • MSDS of Propionic Acid.
  • Ethane carboxylic acid MSDS.
  • Safety Sheet of Propanoic Acid.
  • Material Safety Sheet of Methyl acetic Acid.
  • MSDS of propionic acid.

Study

  • Determination of propionic acid in bakery products using gas chromatography.
  • Propionic Acid Bacteria.
  • Propionic Acid to Control Sitophilus Oryzae and rice stored grain pests.
  • Using Dietary propionic acid to limit salmonella gallinarum colonization in broiler chicks.
  • Disappearance and passage of propionic acid from the rumen of beef steer.
  • Propionic Acid Production by propionibacterium.
  • Solvent Extraction of Propionic acid.
  • Recovery of Propionic acid using reactive extraction.
  • Effects of Organic Acids.
  • Green and economical production of propionic acid.
  • Study on reactive extraction of propionic acid.
  • Effect of propionic acid in the germination of rice genotypes.

Process

  • Propionic Acid Production by semicontinuous fermentation process.
  • Intensification of propionic acid production by reactive extraction.
  • Mechanism of Propionic Acid formation by propionibacteria.
  • Propionic Acid Production using low-cost carbon sources in submerged fermentation.
  • Producing Propionic Acid from the rumen of sheep.
  • Reactive Extraction of Propionic Acid Using Aliquat-336 in 2-Octanol.

Company Profile & Consultants

  • Company from Ahmedabad.
  • Company from China.
  • Company from India.
  • Company from Maharashtra.
  • Company from Mumbai.
  • Company from Shanghai.
  • Company from USA.
  • Consultancy from NewYork.
  • Consultancy from Singapore.
  • Consultancy from UK.

Suppliers

  • Suppliers from China.
  • Indian Suppliers.
  • Suppliers from USA.

Patents

  • Production of Propionic Acid.
  • Phenyl Propionic Acids.
  • Propionic Acid as an Herbicide.
  • Fermentation to produce propionic acid.
  • Propionic Acid Derivatives.
  • Propionic Acid based preservative agent for animal and vegetable products.
  • 3-(4-Benzyloxtphenyl) propanoic acid derivatives.

Report & Uses

  • Synthesis of Propionic Acid at a gold electrode by electrochemical technique.
  • Neurobiological effects of intraventricular propionic acid in rats.
  • Propionic acid production in a membrane bioreactor.
  • Adaptation of the propionic-acid bacteria to vitamin B1.
  • Propionic acid as a precursor in the biosynthesis of animal fatty acids.
  • Production of poly(3-hydroxybutyric-co-3-hydroxyvaleric)acid using propionic acid by pH regulation.
  • Uses of Propionic Acid.

 

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