What is 3-ethyl-pentane?

3-Ethyl-pentane is a branched hydrocarbon with the chemical formula C8H18. It is also known as 3-ethylhexane and has a molar mass of approximately 114.23 g/mol. The molecule contains a pentane backbone with an ethyl group attached at the third carbon atom. This gives the molecule its branched structure, which affects its physical and chemical properties.

At room temperature and pressure, 3-ethyl-pentane is a colorless and odorless liquid. It has a boiling point of approximately 121°C and a density of 0.71 g/cm³. This compound is insoluble in water but is miscible with many organic solvents such as ethanol, acetone, and benzene.

3-Ethyl-pentane is primarily used as a solvent in various industrial applications such as paint thinners, cleaning agents, and inks. It is also used as a fuel additive, and it is present in some gasoline formulations. This molecule is considered to be a less hazardous and more environmentally friendly alternative to other solvents such as toluene and xylene.

Overall, 3-ethyl-pentane is an important industrial compound with various applications, especially as a solvent and fuel additive. Its unique branched structure contributes to its physical and chemical properties, making it a useful and versatile substance.