Description:4-Methyloctanoic acid, also known as isooctanoic acid, is a branched-chain fatty acid characterized by its eight-carbon chain with a methyl group located at the fourth carbon. Its molecular formula is C9H18O2, and it features a carboxylic acid functional group, which imparts acidic properties. This compound is typically a colorless to pale yellow liquid with a characteristic fatty odor. It is soluble in organic solvents but has limited solubility in water due to its hydrophobic hydrocarbon chain. 4-Methyloctanoic acid is used in various applications, including as a flavoring agent, in the production of surfactants, and as an intermediate in organic synthesis. Its branched structure contributes to its unique physical and chemical properties, such as lower melting and boiling points compared to straight-chain fatty acids. Additionally, it may exhibit antimicrobial properties, making it of interest in food preservation and other industrial applications. Safety data should be consulted for handling and exposure guidelines, as with any chemical substance.
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