ethylcyclobutane

Ethylcyclobutane is an organic compound with the molecular formula C6H12. It consists of a cyclobutane ring, a four-membered alicyclic ring, bearing a single ethyl substituent. As a saturated alkylcyclobutane, it belongs to the class of hydrocarbons that contain only single bonds.

The preferred IUPAC name is ethylcyclobutane. The structure features a cyclobutane ring substituted at one carbon by an ethyl group. Because the parent ring is symmetric, there is effectively one constitutional isomer with a single substituent; the ethyl group can adopt different conformations but does not introduce distinct stereoisomers.

Physically, ethylcyclobutane is a nonpolar, relatively hydrophobic compound. It is poorly soluble in water and more miscible with organic solvents. It is typically described as a colorless liquid at room temperature, and it is flammable like many small aliphatic hydrocarbons.

Chemical properties and reactivity follow patterns typical of alkyl-substituted cyclobutanes. It can undergo free-radical halogenation on the ethyl side chain under appropriate conditions. Oxidation of the ethyl substituent can give a cyclobutyl carboxylic acid derivative, while hydrogenation or more strenuous ring-opening reactions require stronger conditions. The compound is generally stable under standard laboratory handling.

Preparation and uses are primarily in research and as an intermediate in organic synthesis. Ethylcyclobutane is not a common bulk chemical but serves as a reference compound for studying the properties and reactivity of substituted cyclobutane derivatives.

Safety: Ethylcyclobutane is a flammable hydrocarbon. Vapors can form explosive mixtures with air; handle with adequate ventilation and away from flames or ignition sources. Avoid inhalation and prolonged skin or eye exposure.