Hydrazone is a type of organic compound formed by the reaction of a hydrazine with a carbonyl compound, such as an aldehyde or ketone. This reaction results in the formation of a double bond between the nitrogen and the carbon, creating a structure that is characterized by the presence of a hydrazone functional group. Hydrazones are often used in organic synthesis and can serve as intermediates in the production of various chemical compounds. These compounds are notable for their ability to undergo further chemical reactions, making them valuable in fields like medicinal chemistry and materials science. Additionally, hydrazones can exhibit interesting properties, such as changes in color or stability, which can be useful in applications like chemical sensors or drug development.