Sodium Nitrite CAS#7632-00-0

Sodium Nitrite CAS#7632-00-0

Effective Food Preservative:Widely used in processed meats to maintain product color, enhance flavor, and extend shelf life in cured food applications.


Proven and Reliable Performance:Closely related to sodium nitrate with well-established functionality in food preservation and curing processes.


Efficient Industrial Production Process:Manufactured through mature synthesis routes and large-scale absorption technology, ensuring stable supply and consistent quality.


High Application Compatibility:Suitable for a wide range of meat products such as bacon, hot dogs, and salami, supporting standardized food processing and preservation systems.


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product description

Product Description of Sodium Nitrite CAS#7632-00-0

Sodium Nitrite is similar to sodium nitrate in name and function. It is widely used as a preservative in processed meats including salami, hot dogs and bacon, maintaining the color, flavor and shelf life of cured foods. It can be synthesized by reducing sodium nitrate via multiple chemical routes. Industrially, it is mainly produced by absorbing nitrogen oxides into sodium carbonate or sodium hydroxide aqueous solution for high-efficiency and stable production.


Product Application of Sodium Nitrite CAS#7632-00-0

Sodium Nitrite is the sodium salt of nitrous acid and is widely used as an antimicrobial agent and food preservative. It is typically supplied as a slightly yellow granular powder or an off-white opaque solid, and it is hygroscopic, readily absorbing moisture from the air. The product is highly soluble in water, allowing easy incorporation into processing solutions.

In the food industry, Sodium Nitrite is mainly applied in meat curing to fix and stabilize color and to enhance the characteristic flavor of cured products, while also helping to inhibit microbial growth and extend shelf life.

Product Information

Parameters


Melting point271 °C (lit.)
Boiling point320 °C
bulk density1200kg/m3
density2.17g/cm3
vapor pressure<0.0001 hPa ( 25 °C)
refractive index1.65
storage temp.2-8°C
solubilityaqueous acid: 1 - 2μl acetic acid per ml H2Osoluble
formpowder
Specific Gravity2.168
colorWhite or colorless
OdorOdorless
PH9 (100g/l, H2O, 20℃)
PH Range9
Water Solubility820 g/L (20 ºC)
SensitiveHygroscopic
Merck148,648
Stability:Stable. Incompatible with reducing agents, strong oxidizing agents, organics and other flammable materials, finely powdered metals. Contact with combustible material may lead to fire. Hygroscopic.
InChIKeyLPXPTNMVRIOKMN-UHFFFAOYSA-M
CAS DataBase Reference7632-00-0(CAS DataBase Reference)
EPA Substance Registry SystemSodium nitrite (7632-00-0)


Safety Information


Hazard CodesO,T,N,Xn
Risk Statements8-25-50-22-36/38
Safety Statements45-61-36-26
RIDADRUN 3219 5.1/PG 3
WGK Germany3
RTECSRA1225000
F10
Autoignition Temperature914 °F
TSCAYes
HazardClass5.1
PackingGroupIII
HS Code28341000
Hazardous Substances Data7632-00-0(Hazardous Substances Data)
ToxicityLD50 orally in rats: 180 mg/kg (Smyth)


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We are a supply chain service provider rather than a single manufacturer. Instead of being tied to one specific factory, we have established deep partnerships with numerous high-quality domestic chemical enterprises that hold certifications such as ISO and REACH. This allows us to flexibly match the most suitable supply sources to your needs while independently conducting third-party quality inspections to ensure delivery quality and price competitiveness.
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We maintain transit warehouses with standing inventory in Southeast Asia, the Middle East, and Eastern Europe.
For you: You can pick up goods directly from local warehouses without the need for full-container orders; delivery times are reduced from the standard 30–45 days to just 3–5 days.
Reduced inventory pressure: You can purchase small batches for trial and quality verification before scaling up orders, avoiding the need to tie up large amounts of capital upfront.
Emergency restocking: If your production line faces a sudden material shortage, we can urgently dispatch supplies from our regional warehouses to prevent production downtime.
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For standard products, the MOQ is typically one 20-foot container (approx. 16–20 tons) for direct shipments from China. However, for stock picked up from overseas warehouses, we support orders starting from 1 ton—ideal for sample testing or small-batch production. Specific MOQs depend on the product category and packaging type; please contact us for details.
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How do you ensure product quality?

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We implement a "three-level quality control" system:
Before leaving the factory: We require the factory to provide a Certificate of Analysis (COA) for the specific batch.
Before shipment: We commission international third-party agencies like SGS or Intertek to conduct random inspections, with costs covered by us (for long-term partners).
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What is the typical delivery lead time?

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FOB (China Port): Goods are prepared and shipped within 7–15 working days after the contract is signed and the prepayment is received.
Overseas Warehouse Stock: Items are dispatched within 1–3 working days of order confirmation and payment; local delivery typically takes 2–5 days (depending on the country).
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Which trade terms do you offer? Do you support DDP (Delivered Duty Paid)?

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We are proficient in handling common terms such as FOB, CIF, CFR, and EXW. Additionally, for regions covered by our overseas warehouses, we offer DDP services (including duties and door-to-door delivery), allowing you to receive goods without the hassle of complex import customs clearance procedures. Please consult your sales manager for specific costs.
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How can I obtain samples? What are the costs?

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If stock is available at an overseas warehouse, we can provide 1–2 kg of samples for free; you only need to cover the local courier fees.
If shipping from China, we can arrange delivery via DHL or FedEx; samples are free, but you bear the international shipping costs. Once a clear intent to cooperate is established, these shipping costs can be deducted from your first order.
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We offer a price protection mechanism:
For fixed-price contracts, we do not unilaterally raise prices due to market increases.
If you anticipate a market downturn, we can negotiate floating pricing—settling based on a benchmark price on the date of shipment or arrival—to flexibly manage fluctuations.
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What does your after-sales service include?

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We provide full-lifecycle service:
Usage Guidance: Assistance with adjusting processing parameters (if required).
Complaint Handling: Response within 48 hours and a solution provided within 7 days.
Regular follow-ups: Proactive contact every six months to understand changing needs and optimize supply solutions.
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