Description:5-Chloro-2-furaldehyde, with the CAS number 21508-19-0, is an organic compound that belongs to the class of furaldehydes. It features a furan ring substituted with a chlorine atom at the 5-position and an aldehyde group at the 2-position. This compound is typically a colorless to pale yellow liquid with a characteristic odor. It is soluble in organic solvents such as ethanol and ether but has limited solubility in water. 5-Chloro-2-furaldehyde is known for its reactivity due to the presence of the aldehyde functional group, which can participate in various chemical reactions, including condensation and oxidation. It is utilized in organic synthesis and may serve as an intermediate in the production of pharmaceuticals, agrochemicals, and other fine chemicals. Additionally, its chlorinated structure can impart unique properties that may enhance its biological activity or stability in certain applications. As with many chemical substances, proper handling and safety precautions are essential due to potential toxicity and environmental impact.
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