C4H8X2

C4H8X2 refers to a molecular formula representing organic compounds containing four carbon atoms, eight hydrogen atoms, and two atoms of a halogen element (X, which can be fluorine, chlorine, bromine, or iodine). These compounds are generally saturated or unsaturated hydrocarbons with two halogen substituents. The exact properties and structure of a C4H8X2 compound depend heavily on the specific halogen and the arrangement of atoms.

Dihalogenated alkanes with this formula would be saturated, meaning all carbon-carbon bonds are single bonds. For example, 1,1-dichlorobutane (C4H8Cl2) is one such isomer. Unsaturated variants would contain double or triple carbon-carbon bonds, leading to a greater diversity of possible structures. For instance, dihalogenated butenes or butynes would also fit this formula. The presence of halogens can significantly alter the reactivity of the hydrocarbon chain, making these compounds useful in various chemical syntheses as intermediates or reagents. Their stability, boiling points, and solubility vary widely based on the halogen's atomic weight and the molecule's polarity.