Industrial Grade
Sodium Nitrite
Corrosion Inhibitor & Heat Transfer SaltNaNO₂ | CAS 7632-00-0
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Key Specifications
- Purity (as NaNO₂): ≥99%
- Appearance: White to slight yellowish crystalline powder
- Grade: Industrial / Technical
- Packaging: 25 kg / 50 kg Bags
- Serving Area: UAE, Oman, Saudi Arabia
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Industrial Applications & Information
Corrosion Inhibition
- Closed-Loop Systems: An effective anodic inhibitor for protecting carbon steel in closed-loop cooling and heating systems (chilled water systems, industrial brines).
- Metalworking Fluids: Added to synthetic and semi-synthetic cutting fluids to prevent rust on machined parts and equipment.
Manufacturing & Chemical Synthesis
- Dye Production: Used in the diazotization process, a critical step in manufacturing many azo dyes and pigments.
- Rubber Chemicals: Acts as a polymerization inhibitor in the production of certain synthetic rubbers.
- Heat Transfer Salts: A key component in molten salt baths for heat treatment of metals.
Other Applications
- Food Curing (Food Grade): Used as a preservative and color fixative for meats and fish.
- Concrete Admixtures: Can be used to accelerate the setting time of concrete.
Critical Safety Information
- Hazard: Strong oxidizer. Toxic if swallowed or inhaled. Contact with combustible materials may cause fire.
- Handling: Handle in a well-ventilated area. Wear appropriate PPE, including chemical-resistant gloves, safety goggles, and respiratory protection.
- Storage: Store in a cool, dry, well-ventilated area away from combustible materials, acids, and reducing agents.
FAQs
How does it prevent corrosion?
It forms a passive, protective oxide layer on the surface of steel, which prevents oxygen from reacting with the metal and causing rust.
What is a heat transfer salt?
It is a component of a salt mixture that remains liquid at high temperatures, used to transfer heat evenly in industrial processes like metal treatment.
Is this the same as Sodium Nitrate?
No. While chemically similar, Sodium Nitrite (NaNO₂) and Sodium Nitrate (NaNO₃) have different properties and applications. They are not interchangeable.
