Description:2-Methyl-4-pentenoic acid, with the CAS number 1575-74-2, is an unsaturated carboxylic acid characterized by a five-carbon chain with a double bond and a methyl group on the second carbon. This compound features a carboxylic acid functional group (-COOH) at one end, which imparts acidic properties. The presence of the double bond between the fourth and fifth carbons contributes to its reactivity, making it a useful intermediate in organic synthesis. It is typically a colorless to pale yellow liquid with a distinctive odor. The compound is soluble in polar solvents like water and alcohols, while its unsaturation allows for various chemical reactions, including polymerization and addition reactions. 2-Methyl-4-pentenoic acid is utilized in the production of various chemical derivatives and can serve as a building block in the synthesis of more complex organic molecules. Safety precautions should be taken when handling this substance, as it may cause irritation to the skin and eyes.
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