CH3CH2CC2H5

CH3CH2CC2H5, also known as 3-hexyne, is an organic compound belonging to the alkyne family. Alkynes are hydrocarbons that contain at least one carbon-carbon triple bond. In the case of 3-hexyne, the triple bond is located between the third and fourth carbon atoms of a six-carbon chain. Its molecular formula is C6H10.

This molecule is a linear alkyne with ethyl groups attached to each end of the triple bond. The structure can be visualized as an ethyl group (CH3CH2-) connected to a carbon atom, which is triple-bonded to another carbon atom, which is then connected to another ethyl group (CH3CH2-). This symmetrical arrangement around the triple bond is characteristic of internal alkynes.

3-hexyne is a colorless liquid at room temperature and is generally insoluble in water but soluble in many organic solvents. Like other alkynes, it is a relatively reactive compound due to the presence of the pi bonds in the triple bond, making it susceptible to addition reactions. These reactions can involve the addition of halogens, hydrogen halides, or hydrogen.

3-hexyne can be synthesized through various organic chemistry methods, often involving dehydrohalogenation of dihaloalkanes or alkane dihalides. It finds use as a building block in organic synthesis for creating more complex molecules. Its symmetrical structure can be advantageous in certain chemical transformations where regioselectivity is important.