INDUSTRY COMPONENT

Sodium Nitrite Compound

Sodium nitrite compound is a chemical additive used in meat curing to prevent bacterial growth and preserve color.

Component Specifications

Definition
Sodium nitrite (NaNO2) is an inorganic compound used as a curing agent in food processing, particularly in meat products. It functions as an antimicrobial agent against Clostridium botulinum and other pathogens, while also stabilizing the red color of cured meats through the formation of nitrosomyoglobin. In high-purity sodium nitrite curing salt systems, it is precisely dosed and mixed with sodium chloride to ensure consistent preservation and safety.
Working Principle
Sodium nitrite inhibits bacterial growth by disrupting microbial enzyme systems and cellular respiration. In meat curing, it reacts with myoglobin to form nitrosomyoglobin, which gives cured meats their characteristic pink color. It also acts as an antioxidant to prevent rancidity.
Materials
High-purity sodium nitrite (NaNO2), typically ≥99% purity, food-grade, with controlled impurities like heavy metals (lead, arsenic) below regulatory limits. Often blended with sodium chloride (NaCl) in curing salt formulations.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Purity≥99%
AppearanceWhite to slightly yellowish crystalline powder
SolubilityHighly soluble in water
Heavy Metals<10 ppm
Moisture Content<0.5%
PH (1% Solution)7-9

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 22000, ISO 9001, DIN EN 12014-3

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Overdose can lead to methemoglobinemia (reduced oxygen transport in blood)
  • Potential formation of nitrosamines (carcinogenic compounds) under high-heat conditions
  • Corrosive to metals in humid environments
  • Toxic if ingested in large quantities
FMEA Triads
Trigger: Inaccurate dosing in curing system
Failure: Insufficient nitrite leads to microbial spoilage or excessive nitrite causes health risks
Mitigation: Implement automated dosing controls with regular calibration and safety interlocks
Trigger: Moisture absorption during storage
Failure: Caking and inconsistent mixing in curing blend
Mitigation: Use sealed, moisture-proof containers and controlled storage conditions
Trigger: Contamination with non-food-grade materials
Failure: Product safety violation and regulatory non-compliance
Mitigation: Source from certified suppliers and conduct incoming material inspections

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Dosing accuracy within ±5% of target concentration; residual nitrite in finished products ≤200 ppm as per FDA/EFSA regulations
Test Method
Ion chromatography or spectrophotometric analysis (e.g., Griess assay) for nitrite quantification; microbial testing for Clostridium botulinum inhibition

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Sodium Nitrite Compound

Manufacturer profiles associated with Sodium Nitrite Compound.

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Frequently Asked Questions

What is the primary function of sodium nitrite in food processing?

It prevents bacterial growth (especially botulism) and preserves the red color in cured meats.

Is sodium nitrite safe for consumption?

Yes, when used within regulated limits (typically 100-200 ppm in finished products), it is safe and approved by food safety authorities worldwide.

How is sodium nitrite applied in industrial curing?

It is precisely dosed and mixed with salt in automated curing systems to ensure uniform distribution and compliance with safety standards.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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