The Ultimate Guide to Sodium Nitrite: Applications, Types, and Purchasing Options
Sodium nitrite (NaNO2) is a versatile chemical compound used across various industries, from food preservation to pharmaceuticals. Its unique properties make it an essential ingredient in many applications. This guide aims to provide an in-depth overview of sodium nitrite, including its types, applications, and where to purchase it online, ensuring you have all the information you need to make informed decisions.
Sodium Nitrite Types and Applications
| Type of Sodium Nitrite | Purity | Common Applications |
|---|---|---|
| Sodium Nitrite Granular | 99.5% | Food preservation, dye manufacturing |
| Sodium Nitrite Powder | 98% | Industrial applications, corrosion inhibitor |
| Sodium Nitrite FCC | 99% | Food industry, pharmaceuticals |
| Sodium Nitrite Anhydrous | 100% | Specialty chemical reactions |
| Sodium Nitrite Solution | 10% or more | Electrochemical processes, cooling solutions |
Understanding Sodium Nitrite
Sodium nitrite is a white to yellowish crystalline powder that is soluble in water. It is primarily known for its role as a food preservative, particularly in cured meats, where it helps maintain color and prevent bacterial growth. Besides its culinary uses, sodium nitrite serves various industrial purposes, such as in the manufacturing of dyes, pharmaceuticals, and as a corrosion inhibitor.
Industrial Applications of Sodium Nitrite
1. Food Preservation
Sodium nitrite acts as a powerful preservative in the food industry. It is widely used in curing meats such as bacon, ham, and sausages. By inhibiting the growth of Clostridium botulinum, the bacteria responsible for botulism, sodium nitrite plays a crucial role in food safety. Additionally, it helps maintain the pink color of cured meats, enhancing their visual appeal.
2. Pharmaceutical Uses
In the pharmaceutical industry, sodium nitrite is utilized as a reagent and an ingredient in various formulations. It serves as a precursor for the synthesis of several organic compounds, including nitroso compounds, which are important in drug manufacturing. Sodium nitrite is also used as an antidote for cyanide poisoning, providing a vital medical application.
3. Industrial Applications
Sodium nitrite finds extensive use in various industrial applications, including:
- Corrosion Inhibition: It is used as a corrosion inhibitor in cooling systems and industrial greases, helping to protect equipment from rust and degradation.
- Dye Manufacturing: Sodium nitrite is a critical component in the production of diazo dyes, which are widely used in textiles and printing.
- Electrochemical Grinding: It serves as an electrolyte in electrochemical grinding processes, enhancing efficiency and performance.
Purchasing Sodium Nitrite Online
When considering buying sodium nitrite online, it is essential to choose reputable suppliers. Here are a few platforms where you can purchase sodium nitrite:
- Fisher Scientific (www.fishersci.com): They offer high-quality sodium nitrite suitable for both industrial and laboratory applications.
- iBuyChemikals (www.ibuychemikals.com): This site provides pure sodium nitrite for various applications, including food preservation and pharmaceuticals.
- ChemWorld (www.boilerandcoolingwater.com): A reliable source for sodium nitrite, focusing on competitive pricing and comprehensive customer service.
- American Chemical Suppliers (www.americanchemicalsuppliers.com): This platform connects users with various suppliers, making it easy to find sodium nitrite from trusted distributors.
- American Elements (www.americanelements.com): They specialize in a wide range of chemical products, including sodium nitrite.
- Noah Chemicals (store.noahchemicals.com): Offers granular sodium nitrite with guaranteed quality.
- Cole-Parmer (www.coleparmer.com): They provide sodium nitrite in various forms, suitable for different applications.
- Ingredi (ingredi.com): A bulk supplier that offers sodium nitrite in larger quantities for industrial use.
- LGC Standards (www.lgcstandards.com): A trusted source for purchasing sodium nitrite with a focus on quality and compliance.
Technical Features of Sodium Nitrite
| Feature | Description |
|---|---|
| Chemical Formula | NaNO2 |
| CAS Number | 7632-00-0 |
| Molecular Weight | 69.00 g/mol |
| Appearance | White to yellow crystalline powder |
| Solubility in Water | Soluble |
| Common Purity Levels | 98%, 99%, 99.5%, 100% |
| Primary Use | Food preservation, pharmaceuticals |
Related Video
Watch a video about “sodium nitrite buy online”
Conclusion
Sodium nitrite is a multifaceted chemical compound with a wide range of applications spanning food preservation, pharmaceuticals, and industrial processes. Understanding its various types and uses can help you make informed decisions when purchasing this essential ingredient. With reputable suppliers available online, sourcing sodium nitrite has never been easier.
FAQ
What is sodium nitrite used for?
Sodium nitrite is primarily used as a food preservative, particularly in cured meats, and as a reagent in pharmaceuticals and industrial applications.
Is sodium nitrite safe for consumption?
When used in regulated amounts, sodium nitrite is considered safe for consumption. However, excessive intake can lead to health issues.
What is the difference between sodium nitrite and sodium nitrate?
Sodium nitrite (NaNO2) is used mainly for food preservation and as a reagent, while sodium nitrate (NaNO3) is often used as a fertilizer and in explosives.
How should sodium nitrite be stored?
Sodium nitrite should be stored in a cool, dry place, away from light and moisture, and in a tightly sealed container.
Can sodium nitrite be used in organic synthesis?
Yes, sodium nitrite is commonly used in organic synthesis, particularly for the preparation of diazo compounds and nitroso compounds.
What are the potential health risks of sodium nitrite?
High levels of sodium nitrite exposure can lead to methemoglobinemia, a condition where the blood cannot effectively carry oxygen.
How is sodium nitrite manufactured?
Sodium nitrite is typically produced through the reaction of sodium hydroxide with nitric oxide or through the reduction of sodium nitrate.
Can sodium nitrite be used as a fertilizer?
While sodium nitrite has some nitrogen content, it is not commonly used as a fertilizer. Sodium nitrate is preferred for that purpose.
What are the regulations surrounding the use of sodium nitrite in food?
The use of sodium nitrite in food is regulated by food safety authorities, which set limits on the amounts that can be used to ensure consumer safety.
Where can I buy sodium nitrite online?
You can purchase sodium nitrite from various reputable suppliers online, including Fisher Scientific, iBuyChemikals, and ChemWorld, among others.
