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Sodium Nitrite

Preparation

  • Sodium Nitrite Produced by reacting nitrous acid with sodium hydroxide or sodium carbonate: HNO2+NaOH→NaNO2+H2O

Properties

  • White or slightly yellowish crystalline powder.

  • Soluble in water.

  • Acts as a strong oxidizer and can be corrosive.

Uses

  1. Antidote for Cyanide Poisoning: Used in combination with sodium thiosulfate.

  2. Food Preservative: Especially in cured meats.

  3. Industrial Use: Used in the production of dyes and rubber chemicals.

Storage of Sodium Nitrite

  • Store in a cool, dry place, away from heat, moisture, and incompatible materials such as acids and reducing agents.

  • Keep in a tightly closed container.


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