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Sodium Nitrate (CAS 7631-99-4) is a versatile inorganic salt. In the glass industry, it acts as a refining agent to remove bubbles. In food (E251), it is a traditional preservative for cured meats. It is also an essential component of solar thermal energy storage salts and high-performance fertilizers.
Verified listings offer 'Glass Grade' for transparency and 'Food Grade' for edible applications, all backed by complete specification sheets.
Fining agent & clarifier
Meat preservative (E251)
Nitrogen source (16-0-0)
Molten salt heat storage
Oxidizer in blasting agents
Oxidizing agent
Pickling & heat treatment
Odor control (H2S removal)
Leading petrochemical producers
Ready stock at Ports
Compliant transport
May intensify fire; oxidizer. Harmful if swallowed. Causes serious eye irritation. Not combustible itself but promotes combustion of other materials.
No. Sodium Nitrate (NaNO3) is more stable. Sodium Nitrite (NaNO2) is more reactive and used in smaller amounts. They are often used together in meat curing.
It is mixed with Potassium Nitrate to create 'Binary Salt', a molten liquid that stores heat from the sun to generate electricity even at night.
It decomposes at high temperatures to release oxygen, which reacts with impurities and helps clear out tiny bubbles from the molten glass.
By itself, no. But if mixed with fuels (like sugar or charcoal), it becomes a potent propellant or explosive. Handling is regulated.