Description:Propiolic acid, with the CAS number 471-25-0, is a carboxylic acid characterized by its unique triple bond between the carbon atoms in its alkyne functional group. Its molecular formula is C3H4O2, indicating the presence of three carbon atoms, four hydrogen atoms, and two oxygen atoms. Propiolic acid is a colorless liquid with a pungent odor and is known for its reactivity due to the presence of the alkyne group, which can participate in various chemical reactions, including nucleophilic additions and cycloadditions. It is soluble in organic solvents and has limited solubility in water. Propiolic acid is primarily used in organic synthesis, serving as a building block for the preparation of more complex molecules, including pharmaceuticals and agrochemicals. Additionally, it exhibits antimicrobial properties, making it of interest in various applications. However, caution is advised when handling this compound due to its potential irritant effects on the skin and respiratory system.
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