Hydrazines are a class of chemical compounds that contain a nitrogen-nitrogen single bond. They are typically colorless, flammable liquids with a strong ammonia-like odor. Hydrazines are primarily used as rocket propellants and in various industrial applications, including the production of pharmaceuticals and agricultural chemicals. Their chemical formula is N2H4, and they can be synthesized through several methods, including the reduction of nitro compounds. Due to their reactivity, hydrazines can be hazardous. They are toxic and can cause serious health effects if inhaled or absorbed through the skin. Safety precautions are essential when handling these compounds, as they can also be explosive under certain conditions. Proper storage and disposal methods are crucial to minimize risks associated with hydrazines.