Sodium Nitrite
High-Quality Sodium Nitrite for Industrial and Food Applications
Sodium Nitrite (NaNO₂) is a versatile inorganic compound widely used across various industries. Our premium grade Sodium Nitrite meets the highest purity standards, offering reliable performance for your specific applications.
Product Specifications
- Chemical Formula: NaNO₂
- CAS Number: 7632-00-0
- Molecular Weight: 69.00 g/mol
- Appearance: White to slightly yellowish crystalline powder
- Purity: ≥99.0%
- Solubility: Highly soluble in water (84.8 g/100 mL at 20°C)
| Parameter | Specification |
|---|---|
| Assay (as NaNO₂) | ≥99.0% |
| Chloride (Cl) | ≤0.10% |
| Sulfate (SO₄) | ≤0.05% |
| Iron (Fe) | ≤0.001% |
| Heavy Metals (as Pb) | ≤0.001% |
| Moisture | ≤0.5% |
| pH (1% solution) | 8.0-9.0 |
Packaging Options
| Package Type | Weight | MOQ |
|---|---|---|
| 25kg PE Bags | 25 kg/bag | 20 bags |
| 50kg Fiber Drums | 50 kg/drum | 10 drums |
| 1000kg Bulk Bags | 1000 kg/bag | 1 bag |
Sodium Nitrite FAQ
What is Sodium Nitrite primarily used for?
Sodium Nitrite serves multiple purposes across industries. In food processing, it's a key preservative (E250) that prevents bacterial growth, particularly botulism in cured meats. Industrially, it functions as a corrosion inhibitor in cooling systems and as a reagent in dye manufacturing. The pharmaceutical industry uses it in certain medications and as a vasodilator in emergency treatments.
Is Sodium Nitrite safe for consumption?
When used according to regulated limits, Sodium Nitrite is safe for food applications. The FDA and EFSA strictly control its use in food products (typically 50-200 ppm in finished products). Our food-grade Sodium Nitrite meets all food safety standards. However, pure Sodium Nitrite is toxic in large quantities and should always be handled according to safety guidelines and used in appropriate dilutions.
Storage and Handling
- Store in a cool, dry, well-ventilated area away from incompatible materials
- Keep containers tightly closed when not in use
- Protect from moisture and direct sunlight
- Storage temperature: Below 30°C (86°F)
- Shelf life: 24 months when stored properly
How should I dispose of Sodium Nitrite properly?
Sodium Nitrite should never be disposed of in regular trash or drains. Small quantities can be neutralized with specific chemical treatments before disposal. For larger amounts, contact licensed hazardous waste disposal services. Always comply with local environmental regulations and consult the SDS for proper disposal methods. In case of spills, contain the material immediately and clean with appropriate protective equipment.
Applications of Sodium Nitrite
| Industry | Application | Concentration |
|---|---|---|
| Food Processing | Curing agent for meats (bacon, ham, sausages) | 50-200 ppm |
| Industrial | Corrosion inhibitor in cooling systems | 0.1-0.5% |
| Pharmaceutical | Cyanide poisoning antidote component | Medical grade |
| Chemical Manufacturing | Diazotization agent in dye production | Varies |







