Description
Sodium Nitrite 500gram Merck Germany
Uses of sodium nitrite
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- Food preservative: It prevents the growth of bacteria and maintains the color and flavor of cured meats like bacon and jerky.
- Antidote: It is used intravenously, along with sodium thiosulfate, to treat life-threatening cyanide poisoning.
- Industrial applications:
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- Metal treatment and finishing: Used in metal finishing to prevent corrosion and to treat metal surfaces.
- Chemical synthesis: Acts as a reagent in reactions like the Sand Meyer reaction.
- Other uses: It’s used in the production of other chemicals, in certain pharmaceuticals, and in heat transfer salts.
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Properties and safety
- Appearance: A yellowish-white crystalline powder.
- Toxicity: It is toxic and can be deadly if consumed in large quantities. It is not to be confused with sodium nitrate (
NaNO3cap N a cap N cap O sub 3
𝑁𝑎𝑁𝑂3
), although they are sometimes used together.
- Reactivity: It is non-combustible but can accelerate the burning of other materials. It is a strong reducing agent, and when dissolved in acid, it becomes a strong oxidizing agent.
- Environmental impact: It is considered harmful to the environment.
- Storage: It is hygroscopic, meaning it absorbs moisture from the air.
- Poisoning symptoms: In food poisoning cases, high concentrations can cause symptoms like vomiting, abdominal pain, and potentially death, often due to the development of methemoglobinemia (a condition where the blood cannot carry oxygen effectively).





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