Sodium Nitrite

SODIUM NITRITE

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APPLICATION

Food preservatives

Sodium nitrite is most commonly used as a stabilizer and additive in the food industry. It has antibacterial effects and can inhibit the growth of harmful pathogens and pathogenic bacteria. Sodium nitrite is used for preservation of smoked fish and luncheon meat. It can prevent meat products from causing botulism, a serious disease caused by botulinum toxin in food. Currently, the US Food and Drug Administration has mandated that the use of sodium nitrite in food should not exceed 200 parts per million.

Disease treatment

In addition to food processing, sodium nitrite also has certain uses in the medical field. The American Heart, Lung, and Blood Association has found that low concentrations of sodium nitrite can be used to treat diseases. A report from the National Academy of Sciences in the United States claims that long-term low-dose use of sodium nitrite can repair blood circulation in the hind limbs of rats. The study also suggests that a combination of low-level dietary sodium nitrite and sodium nitrate can treat cardiovascular disease by strengthening or repairing damaged blood vessels.

Pigments and dyes

Sodium nitrite is also used as a bleaching agent and dye. It can be used to produce alkaline dyes, acidic dyes, direct dyes, sulfide dyes, diazo and azo dyes. Sodium nitrite dyes can irritate the respiratory system, eyes, and skin, so caution should be exercised during operation. Ingestion of this compound can cause poisoning, and heating it together with flammable materials can lead to explosion accidents.

Frequently Asked Questions (FAQs) About Sodium Nitrite

What is Sodium Nitrite?

Sodium nitrite is an inorganic salt derived from nitrous acid, appearing as a crystalline powder that dissolves readily in water. It functions as a preservative, color enhancer, and chemical reagent in food and industrial contexts.

What are the primary uses of Sodium Nitrite?

It is chiefly applied in meat curing to inhibit bacteria, in dye manufacturing for color development, as a corrosion inhibitor in water systems, and in pharmaceuticals for synthesis of active ingredients.

Is Sodium Nitrite safe for food applications?

In regulated amounts (e.g., up to 200 ppm per FDA), it safely prevents botulism and spoilage in cured products; however, excessive intake can pose health risks, so adherence to guidelines is essential.

How should Sodium Nitrite be stored to retain potency?

Keep in airtight, moisture-proof containers at temperatures below 25°C, away from incompatible substances; under ideal conditions, it maintains efficacy for 2-3 years.

Can Sodium Nitrite be used in organic or natural products?

While not typically certified organic, low-level use in natural formulations is possible if compliant with regional standards; alternatives like celery powder provide nitrite-derived effects for organic labeling.

What is the difference between Sodium Nitrite and Sodium Nitrate?

Sodium nitrite (NaNO₂) offers faster antimicrobial action for curing, while sodium nitrate (NaNO₃) converts to nitrite in meat, providing longer-term preservation; both are used synergistically in foods.

Does Sodium Nitrite have environmental impacts?

It can contribute to nitrate pollution if mishandled in wastewater, but proper dosing in treatments minimizes eutrophication risks, supporting sustainable industrial practices.

For expanded resources or application-specific advice, our guides offer further depth.

Interested in Learning More About Sodium Nitrite?

You can contact us via email lisa@aozunchem.com or WhatsApp: +86 186 5121 5887

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FAQ

Q1: May I get sample?

A1: Free sample is available, you only need to pay freight.

Q2: How long does it take for me to get sample?

A2: Usually it will cost about 5 days after delivery.

Q3: How can I place an order?

A3: You can contact us about your order details  by E-mail, WhatsApp, Skype, etc.

Q4: How can you guarantee your products are qualified?

A4: We will test the goods and issue COA before delivery