Description:5-Chloro-1-pentyne is an organic compound characterized by its alkyne functional group, specifically a terminal alkyne due to the presence of a triple bond between the first and second carbon atoms in the pentane chain. The "5-chloro" designation indicates that a chlorine atom is substituted at the fifth carbon of the pentyl chain. This compound is typically a colorless to pale yellow liquid with a distinct odor. It is known for its reactivity, particularly in nucleophilic substitution reactions due to the presence of the chlorine atom, which can be replaced by various nucleophiles. 5-Chloro-1-pentyne is also used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and agrochemicals. Its physical properties include a relatively low boiling point and moderate solubility in organic solvents, while being less soluble in water. Safety precautions are necessary when handling this compound, as it may pose health risks through inhalation or skin contact.
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