What is a Sodium nitrite (NaNO₂)?

Sodium nitrite (NaNO₂) is an inorganic compound that appears as a colorless or yellowish crystalline solid, highly soluble in water. It is a strong oxidizing agent, playing an important role in various chemical reactions, particularly in the chemical industry. One of its main applications is in the production of explosives and gunpowder, where it acts as an oxidizer, facilitating combustion reactions. It is also widely used in the food industry, particularly as a preservative for meats, such as sausages and ham, where it helps to prevent bacterial growth and preserve the meat's color.

In addition to its use in food preservation, sodium nitrite is involved in chemical synthesis and the production of dyes. It is used as an electron donor in redox reactions to promote various chemical transformations. Due to its strong oxidizing nature, sodium nitrite must be handled with caution. It is sensitive to moisture and high temperatures, requiring proper storage conditions. It is also toxic, and appropriate safety measures should be taken when handling it.

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