Hydrogen peroxide

Hydrogen Peroxide is a chemical compound with the formula H2O2. In its pure form, it is a pale blue liquid which appears colorless in a dilute solution, slightly more viscous than water. It is a powerful oxidizer, and its uses range from cleaning and bleaching to medical applications and rocketry.

History

Hydrogen peroxide was first described by the French chemist Louis Jacques Thénard in 1818, who produced it by treating barium peroxide with nitric acid. It was later produced industrially by the anthraquinone process, which was developed during the 1930s and 1940s.

Properties

Hydrogen peroxide is a clear liquid, similar in appearance to water. However, it is a powerful oxidizer, which means it can cause materials to combust in its presence. It is also a strong bleaching agent, and can cause severe burns if it comes into contact with skin.

Uses

Hydrogen peroxide has a wide range of uses. In the home, it is often used as a cleaning and bleaching agent. In medicine, it is used as a disinfectant and in certain treatments. In industry, it is used in a variety of processes, including the manufacture of foam rubber and organic chemicals. It is also used in rocketry as a propellant.

Safety

Due to its strong oxidizing properties, hydrogen peroxide can be dangerous if not handled correctly. It can cause burns and eye damage, and its vapors can be harmful if inhaled. It is also a potential fire and explosion risk.

See also

• Oxidizing agent
• Disinfectant
• Propellant

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  Phase diagram of hydrogen peroxide and water
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