Sodium Nitrite (E250)

Description

1. Product Overview
   Sodium Nitrite (E250) is a high-purity inorganic salt used across food processing, chemical manufacturing, and industrial treatment processes. Primarily applied as a curing agent, corrosion inhibitor, and intermediate in organic synthesis, it delivers controlled reactivity and reliable performance in large-scale operations. The product’s key value proposition is consistent, specification-driven quality that minimizes process variability, enhances product safety, and reduces total cost of ownership. Strategically, Sodium Nitrite (E250) is essential for manufacturers seeking regulatory-compliant curing performance, dependable corrosion control, and scalable supply for continuous production.

2. Key Specifications & Technical Characteristics

• Chemical composition: Sodium nitrite (NaNO2), CAS 7632-00-0.

• Purity/grade: Food-grade / industrial-grade available; typical assay ≥ 99.0% for E250 food-grade specification.

• Impurities: Nitrate (NO3-) and chlorides specified per batch, meets regulatory limits for food application.

• Physical form: Crystalline powder or coarse granular crystals.

• Color: White to off-white.

• Particle size: Standard industrial grade (typical D50 range 150–500 µm); custom sieving available on request.

• Bulk density: Approximately 700–900 kg/m³ (pack-dependent).

• Solubility: Highly soluble in water; exothermic dissolution profile documented.

• Moisture content: Controlled to specification (typically ≤ 0.5% w/w) to prevent caking and decomposition.

• Stability/shelf life: Stable under recommended storage (cool, dry, ventilated); shelf life typically 12–24 months depending on packaging and storage conditions.

• Packaging options: 25 kg multi-wall kraft bags with PE liner, 500 kg FIBCs, 1,000 kg bulk tote, or 20 MT bulk containerized loads; tamper-evident and moisture-barrier options available.

• Certification/documentation: Certificate of Analysis (CoA), Safety Data Sheet (SDS), and traceability documentation supplied with each shipment.

3. Core Industrial Applications

• Food processing (meat curing): Used as E250 curing salt to ensure color development, flavor consistency, and microbial control in processed meats. Offers predictable reaction kinetics and validated dosages for regulatory compliance.

• Chemical intermediates: Employed in diazotization and other nitrosation chemistries where controlled nitrite reactivity is required. Provides high yield and low impurity profiles versus lower-grade alternatives.

• Corrosion inhibition & water treatment: Acts as an oxygen-scavenging and passivation agent in closed-loop cooling systems and boiler water treatment, reducing pitting and extending equipment life.

• Agrochemicals and dyes: Used in select synthesis routes for pesticides and dye intermediates where nitrosyl transfer is required, offering batch-to-batch consistency that simplifies downstream purification.
  Why it outperforms alternatives:

• Higher assay and controlled impurity profile reduce side reactions and rework.

• Consistent particle size and moisture control yield uniform dissolution rates and dosing accuracy.

• Food-grade option ensures regulatory acceptance without need for additional purification.

4. Competitive Advantages

• Quality consistency: Tight in-house QC and third-party verification ensure each lot meets assay and impurity specifications, reducing production risks.

• Supply reliability: Secured upstream sourcing and scalable inventory management for uninterrupted bulk supply to industrial customers.

• Logistics capability: Flexible packaging and container loading optimized for export, with options for consolidated shipments and CIF/FOB terms to major ports.

• Price competitiveness: Volume-tiered pricing with transparent freight and handling terms to lower landed cost for repeat buyers.

• Sustainability: Process efficiency and waste-minimization practices in manufacturing; available documentation on responsible sourcing and waste handling.

• Technical support: Detailed CoA, SDS, storage/handling guidelines, and application notes provided; technical account support available for scale-up and regulatory queries.

5. Commercial & Supply Information

• Minimum order quantity (MOQ): BULK 20MT.

• Loading capacity: Standard 20-foot container capacity for bulk pack: up to 20 MT depending on packaging configuration; 40-foot container loadings and optimized palletization available on request.

• Lead times and shipping: Lead times vary by order size and destination; express allocation and contract supply options available for continuous production needs.