The chemical formula for hydrogen peroxide is H₂O₂. This compound consists of two hydrogen atoms and two oxygen atoms, giving it unique properties. It is commonly used as a disinfectant, antiseptic, and bleaching agent, known for its strong oxidizing abilities. In biological contexts, hydrogen peroxide also acts as a signaling molecule and is involved in various metabolic processes. Its ability to decompose into water and oxygen makes it useful in applications ranging from healthcare to cleaning and environmental remediation.