Silicone is a compound containing silicon-carbon compound bond, and its molecular structure contains organic groups and silicon atoms. Although silicon is located in the nonmetallic element area in the periodic table of elements, silicone molecules contain metal bonds, so it can be used as metal reagents in some chemical reactions.

Metal bonds in silicone molecules mainly refer to chemical bonds between silicon atoms and carbon atoms in organic groups, which are usually more prone to chemical reactions than ordinary valence bonds. Because silicon atoms are larger than carbon atoms, silicon-carbon bonds are more prone to polarization and uneven charge distribution than ordinary carbon-carbon bonds. These characteristics enable silicone to behave as a metal reagent in some cases, for example, it can react with halogen or alkali such as sodium hydroxide to generate gas.

In addition, silicone is also widely used in organic synthesis. They can be used as active intermediates or reducing agents, participate in the formation or fracture of carbon-carbon bonds, or participate in other organic reactions. Therefore, silicone is usually regarded as an important metal reagent in organic synthetic chemistry.