Description:2-Ethylpentanoic acid, with the CAS number 20225-24-5, is a branched-chain carboxylic acid characterized by its five-carbon backbone and an ethyl group attached to the second carbon. This compound is typically a colorless liquid at room temperature and possesses a distinctive, pungent odor. It is soluble in organic solvents but has limited solubility in water due to its hydrophobic alkyl chain. The presence of the carboxylic acid functional group (-COOH) imparts acidic properties, allowing it to participate in various chemical reactions, such as esterification and neutralization. 2-Ethylpentanoic acid is used in the synthesis of esters, which serve as flavoring agents and fragrances, and it may also find applications in the production of surfactants and plasticizers. Additionally, it can act as a building block in organic synthesis. Safety data indicates that, like many organic acids, it should be handled with care to avoid skin and eye irritation.
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