Description:Trans-2-pentenoic acid is an unsaturated carboxylic acid characterized by a double bond between the second and third carbon atoms in its five-carbon chain, with the trans configuration indicating that the hydrogen atoms adjacent to the double bond are on opposite sides. This structural feature contributes to its unique physical and chemical properties. It is a colorless to pale yellow liquid with a pungent odor, and it is soluble in organic solvents while exhibiting limited solubility in water. The presence of the carboxylic acid functional group imparts acidic properties, allowing it to participate in various chemical reactions, such as esterification and oxidation. Trans-2-pentenoic acid can be used in organic synthesis and may serve as an intermediate in the production of other chemical compounds. Its reactivity is influenced by the double bond, making it susceptible to addition reactions. Safety considerations include handling it in well-ventilated areas and using appropriate personal protective equipment, as it may cause irritation upon contact with skin or eyes.
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