Isobutyric acid

Isobutyric acid (also known as 2-methylpropanoic acid) is a carboxylic acid that is widely used in the production of various chemicals and pharmaceuticals. It is a colorless liquid with a strong, unpleasant odor.

Chemical Structure

Isobutyric acid has the chemical formula C4H8O2. It consists of a methyl group (CH3) attached to the second carbon atom in a propane chain, with a carboxyl group (COOH) attached to the end of the chain. This structure is what gives isobutyric acid its unique properties and makes it different from butyric acid, which has a straight-chain structure.

Production

Isobutyric acid can be produced through the oxidation of isobutanol, or by the fermentation of sugars by certain types of bacteria. It can also be synthesized from propylene in a process that involves several steps, including hydroformylation, hydrogenation, and oxidation.

Uses

Isobutyric acid is used in the production of a variety of chemicals, including esters that are used as solvents and plasticizers. It is also used in the synthesis of pharmaceuticals, such as ibuprofen and fenofibrate. In addition, isobutyric acid is used as a flavoring agent in the food industry, and as a building block in the production of bioplastics.

Safety

Isobutyric acid is a corrosive substance that can cause burns and eye damage. It is also harmful if swallowed or inhaled. Therefore, it should be handled with care, using appropriate personal protective equipment.

See Also

• Butyric acid
• Carboxylic acid
• Ester
• Fermentation
• Hydroformylation
• Isobutanol
• Oxidation

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