Hydrogen peroxide

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Hydrogen peroxide is a chemical compound with the formula H2O2. It is a pale blue liquid that appears colorless in a dilute solution, and is a powerful oxidizer. Hydrogen peroxide is commonly used as a disinfectant, antiseptic, and bleaching agent. It is also used in rocketry and as a propellant. In this article, we will discuss the uses, properties, and safety considerations of hydrogen peroxide.

Chemical Properties

Hydrogen peroxide is a very reactive substance due to its tendency to decompose into water and oxygen gas. This process can be accelerated by the presence of catalysts, such as transition metal ions or enzymes, which is why hydrogen peroxide is used in many chemical reactions. It has a density of 1.11 g/cm3, a boiling point of 150.2°C, and a melting point of -0.43°C.


  • Hydrogen peroxide is commonly used as a disinfectant and antiseptic due to its ability to kill microorganisms by oxidizing their cell walls and destroying their enzymes. It is often used to clean wounds, sterilize surgical instruments, and disinfect surfaces in hospitals, laboratories, and other medical facilities.
  • Hydrogen peroxide is also used in the production of various chemicals, such as peracetic acid, which is used as a disinfectant and sterilizing agent. It is also used in the manufacture of various organic and inorganic chemicals, including dyes, pigments, and pharmaceuticals.
  • Another important use of hydrogen peroxide is in rocketry and as a propellant. It is used as a fuel in rockets and as an oxidizer in various propellant mixtures. Additionally, it is used in the aerospace industry as a cleaning agent for rocket engines and other equipment.
  • Hydrogen peroxide is also commonly used as a bleaching agent in the textile and paper industries, as well as in household cleaning products. It can remove stains from clothing and whiten teeth, among other things.

Safety Considerations

  • Hydrogen peroxide can be dangerous if not handled properly. It is a strong oxidizing agent and can cause severe burns and tissue damage if it comes into contact with skin or eyes. It can also react violently with other chemicals, especially organic compounds, and can ignite or explode under certain conditions.
  • When handling hydrogen peroxide, it is important to wear appropriate protective equipment, such as gloves, goggles, and a lab coat. It should also be stored in a cool, dry place away from sunlight, heat, and combustible materials.
  • In addition, hydrogen peroxide should not be ingested, as it can cause nausea, vomiting, and other gastrointestinal symptoms. Ingestion of large amounts of hydrogen peroxide can be fatal.

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