99% Technical Grade
Sodium Nitrite is a high-purity inorganic salt used extensively as an industrial corrosion inhibitor, heat transfer salt, and chemical intermediate. It is an "Anodic Inhibitor" that forms a protective passive film on metal surfaces, preventing rust in closed-loop systems.
Ruvon's Technical Grade Sodium Nitrite is a free-flowing crystalline powder. It is produced by the absorption of nitrogen oxides into sodium carbonate or sodium hydroxide solutions. It is hygroscopic (absorbs moisture) and acts as a strong oxidizer.
Strictly controlled limits on moisture and chloride to prevent caking and secondary corrosion.
| Parameter | Specification Limit |
|---|---|
| Sodium Nitrite (NaNO₂) | 99.0% Min |
| Sodium Nitrate (NaNO₃) | Max 0.8% |
| Moisture | Max 0.2% |
| Alkalinity (as Na₂CO₃) | Max 0.1% |
| Chlorides (as NaCl) | Max 0.05% |
| Insolubles in Water | Max 0.05% |
| Heavy Metals | Max 0.002% |
| Sulfates (as Na₂SO₄) | Max 0.05% |
Rust happens when iron reacts with oxygen and water to form loose, flaky Iron Oxide ($Fe_2O_3$). Sodium Nitrite prevents this by being an Anodic Inhibitor.
Used in closed-loop cooling towers, chilling systems, and boilers to protect steel pipes.
Component of molten salt baths for tempering, annealing, and quenching of steel parts.
Used in phosphatizing and detinning processes to prepare metal surfaces for coating.
Raw material for Azo dyes, pigments, and blowing agents for rubber/foams.
Added to antifreeze and radiator coolants to prevent engine corrosion.
Used as a concrete admixture to accelerate setting and inhibit rebar corrosion.
Woven sacks with moisture-proof inner liner.
For bulk industrial consumption.
Sodium Nitrite accelerates combustion and is toxic if swallowed.
Premium Technical Grade (99%). Anti-Caking Agent added for free flow.
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Ruvon International Pvt. Ltd.
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